| 单词 | knock yourself out |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔knock ... out〕Don't knock yourself out with hardwork.不要太辛苦而把自己累垮。21世纪英汉〔knock yourself out〕If you carry on working like this, you'll knock yourself out.如果你继续这么干下去，会累垮的。剑桥高阶 |
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