VSCode Google translate tool: https://marketplace.visualstudio.com/items?itemName=funkyremi.vscode-google-translate&ssr=false#overview
Free.
It doesn’t work on every word. And it might get a 403 error code occationally.
Google translate API: https://cloud.google.com/translate/pricing?hl=zh-cn
Subscription fee.
It could integrate with multiple VSCode extensions and Node modules such as: https://marketplace.visualstudio.com/items?itemName=JeffJorczak.auto-translate-json
Online JSON translator: https://file-translate.com/en/app/json-translate
Free for 3000 characters.
Allow to download the translated json file.
Belows support translating one sentense into multiple languages only