knock oneself out
US /nɑk wʌnˈsɛlf aʊt/
UK /nɒk wʌnˈsɛlf aʊt/
成语
1.
拼命工作, 累垮自己
to work extremely hard or make a great effort, often to the point of exhaustion, or to do something with great enthusiasm
示例:
•
He'll knock himself out trying to finish the project on time.
他会拼命工作，争取按时完成项目。
•
Don't knock yourself out trying to please everyone.
不要累垮自己去取悦所有人。
2.
随便你, 尽管去吧
(informal) used to tell someone to go ahead and do something, often implying that it won't be successful or that you don't care
示例:
•
You want to try and fix it yourself? Go ahead, knock yourself out.
你想自己修吗？去吧，随便你。
•
If you think you can convince him, knock yourself out.
如果你认为你能说服他，尽管去吧。