diff --git a/website/src/locales/zh.json b/website/src/locales/zh.json
index d40a5d1c..b00ec1da 100644
--- a/website/src/locales/zh.json
+++ b/website/src/locales/zh.json
@@ -140,64 +140,64 @@
                 "stone": "石头"
             },
             "highway": {
-                "unknown": "未知的",
+                "unknown": "未知类型",
                 "motorway": "高速公路",
                 "motorway_link": "高速公路匝道",
                 "trunk": "国道/城市快速路",
                 "trunk_link": "国道/城市快速路的连接路段",
-                "primary": "Primary road",
-                "primary_link": "Primary road link",
-                "secondary": "Secondary road",
-                "secondary_link": "Secondary road link",
-                "tertiary": "Tertiary road",
-                "tertiary_link": "Tertiary road link",
-                "unclassified": "Minor road",
-                "residential": "Residential road",
-                "living_street": "Living street",
-                "service": "Service road",
-                "track": "Track",
-                "footway": "人行道",
-                "path": "路径",
-                "pedestrian": "行人",
-                "cycleway": "Cycleway",
-                "steps": "行使步骤",
-                "road": "Road",
-                "bridleway": "Horseriding path",
-                "platform": "Platform",
-                "raceway": "Racing circuit",
-                "rest_area": "Rest area",
-                "abandoned": "Abandoned",
-                "services": "Services",
-                "corridor": "Corridor",
-                "bus_stop": "Bus stop",
-                "busway": "Busway",
-                "elevator": "Elevator",
-                "via_ferrata": "Via ferrata",
-                "proposed": "Road to be built",
-                "construction": "Road under construction"
+                "primary": "省道/主干道",
+                "primary_link": "省道/主干道的连接路段",
+                "secondary": "县道/次干道",
+                "secondary_link": "县道/次干道的连接路段",
+                "tertiary": "乡道/支路",
+                "tertiary_link": "乡道/支路的连接路段",
+                "unclassified": "小型道路",
+                "residential": "居住区道路",
+                "living_street": "生活性街道",
+                "service": "服务性道路",
+                "track": "小径（未铺设道路）",
+                "footway": "步行道路",
+                "path": "小路",
+                "pedestrian": "步行街",
+                "cycleway": "非机动车道",
+                "steps": "阶梯",
+                "road": "道路",
+                "bridleway": "马道",
+                "platform": "停靠站台",
+                "raceway": "汽车赛道",
+                "rest_area": "停车区（休息区）",
+                "abandoned": "废弃道路",
+                "services": "服务区",
+                "corridor": "走廊",
+                "bus_stop": "小型公交站台",
+                "busway": "公交车道",
+                "elevator": "电梯",
+                "via_ferrata": "铁锁攀岩",
+                "proposed": "规划道路",
+                "construction": "在建道路"
             },
             "sac_scale": {
-                "hiking": "Hiking",
-                "mountain_hiking": "Mountain hiking",
-                "demanding_mountain_hiking": "",
-                "alpine_hiking": "Alpine hiking",
-                "demanding_alpine_hiking": "Demanding alpine hiking",
-                "difficult_alpine_hiking": "Difficult alpine hiking"
+                "hiking": "道路畅通无阻（T1）",
+                "mountain_hiking": "连续小路，有较大的障碍物（T2）",
+                "demanding_mountain_hiking": "有大障碍物，存在固定绳索或链条，可能需要用手来保持平衡（T3）",
+                "alpine_hiking": "部分地区需用双手才能前进，UIAA I 级（T4）",
+                "demanding_alpine_hiking": "相对简单的攀爬部分，UIAA I-II 级（T5）",
+                "difficult_alpine_hiking": "更长的攀爬部分，UIAA II 级（T6）"
             },
-            "mtb_scale": "MTB scale",
+            "mtb_scale": "山地地形",
             "error": {
                 "from": "起点离最近的道路太远",
                 "via": "途径点离最近的道路太远",
                 "to": "终点离最近的道路太远",
-                "timeout": "Route calculation took too long, try adding points closer together"
+                "timeout": "轨迹计算耗时太长，请尝试添加更靠近路网的点"
             }
         },
         "scissors": {
             "tooltip": "裁剪或拆分",
             "crop": "裁剪",
-            "split_as": "将轨迹分为",
-            "help_invalid_selection": "Select a trace to crop or split.",
-            "help": "Use the slider to crop the trace, or split it by clicking on one of the split markers or on the trace itself."
+            "split_as": "将轨迹拆分为",
+            "help_invalid_selection": "选择要裁剪或拆分的轨迹。",
+            "help": "使用滑块来裁剪轨迹，或点击轨迹上的分割标记以拆分。"
         },
         "time": {
             "tooltip": "管理时间数据",
@@ -207,30 +207,30 @@
             "pick_date": "选择日期",
             "artificial": "创建实际时间数据",
             "update": "更新时间数据",
-            "help": "Use the form to set new time data.",
+            "help": "使用表单设置新的时间数据。",
             "help_invalid_selection": "选择一个单一的轨迹来管理其时间数据。"
         },
         "merge": {
             "merge_traces": "连接轨迹",
             "merge_contents": "合并内容并保持轨迹断开",
             "merge_selection": "合并选择项",
-            "remove_gaps": "去除轨迹时间间隔。",
-            "tooltip": "Merge items together",
-            "help_merge_traces": "Connecting the selected traces will create a single continuous trace.",
-            "help_cannot_merge_traces": "Your selection must contain several traces to connect them.",
-            "help_merge_contents": "Merging the contents of the selected items will group all the contents inside the first item.",
-            "help_cannot_merge_contents": "Your selection must contain several items to merge their contents.",
-            "selection_tip": "提示：使用 {KEYBOARD_SHORTCUT} 添加选中项目。"
+            "remove_gaps": "删除轨迹间的时间间隔",
+            "tooltip": "合并项目",
+            "help_merge_traces": "连接所有选中的轨迹将创建一个单一的连续轨迹。",
+            "help_cannot_merge_traces": "必须先选择多个轨迹才能进行连接。",
+            "help_merge_contents": "合并所选内容会将所有内容归于第一个项目。",
+            "help_cannot_merge_contents": "必须先选择多个项目才能进行合并。",
+            "selection_tip": "提示：使用 {KEYBOARD_SHORTCUT} 以添加选中项。"
         },
         "extract": {
-            "tooltip": "Extract contents to separate items",
-            "button": "Extract",
-            "help": "Extracting the contents of the selected items will create a separate item for each of their contents.",
-            "help_invalid_selection": "Your selection must contain items with multiple traces to extract them."
+            "tooltip": "将内容拆分为多个项目",
+            "button": "提取",
+            "help": "提取所选项内容将为每个内容创建一个单独的项目。",
+            "help_invalid_selection": "必须先选择包含多个轨迹的项目才能进行提取。"
         },
         "elevation": {
             "button": "请求海拔数据",
-            "help": "Requesting elevation data will erase the existing elevation data, if any, and replace it with data from Mapbox.",
+            "help": "请求将会删除现有的海拔数据，若存在返回值，则使用 Mapbox 数据替换。",
             "help_no_selection": "Select a file item to request elevation data."
         },
         "waypoint": {