Greasy Fork is available in English.
Translates the selected text into a tooltip automatically. Fork from https://greasyfork.org/scripts/5727/
< 脚本Google Translator Tooltip Expanded Fork的反馈
Nevermind, it worked somehow. Have no ideal why it isn't work on the first try.
Doesn't work on firefox!
The button to translate doesn't appear, i installed it on the lastest firefox and geasemonkey.