Merge pull request #32710 from zaunist/docs/concepts_kubeconfig

[zh]: Resync organizs-cluster-access-kubeconfig.md

content/zh/docs/concepts/configuration/organize-cluster-access-kubeconfig.md

@@ -104,7 +104,8 @@ the *current context* to communicate with the cluster.
 To choose the current context:
 -->
 选择当前上下文
-```
+
+```shell
 kubectl config use-context
 ```
 
@@ -280,6 +281,34 @@ kubeconfig 文件中的文件和路径引用是相对于 kubeconfig 文件的位
 命令行上的文件引用是相对于当前工作目录的。
 在 `$HOME/.kube/config` 中，相对路径按相对路径存储，绝对路径按绝对路径存储。
 
+<!--
+## Proxy
+
+You can configure `kubectl` to use proxy by setting `proxy-url` in the kubeconfig file, like:
+-->
+## 代理
+
+你可以在 `kubeconfig` 文件中设置 `proxy-url` 来为 `kubectl` 使用代理，例如:
+
+```yaml
+apiVersion: v1
+kind: Config
+
+proxy-url: https://proxy.host:3128
+
+clusters:
+- cluster:
+  name: development
+
+users:
+- name: developer
+
+contexts:
+- context:
+  name: development
+
+```
+
 ## {{% heading "whatsnext" %}}
 
 <!--
@@ -288,4 +317,3 @@ kubeconfig 文件中的文件和路径引用是相对于 kubeconfig 文件的位
 --->
 * [配置对多集群的访问](/zh/docs/tasks/access-application-cluster/configure-access-multiple-clusters/)
 * [`kubectl config`](/docs/reference/generated/kubectl/kubectl-commands#config)
-