有范 >在线工具 >know what you’re doing/about是什么意思_英语组词翻译_例句及用法释义-英语词典
2026-01-23
know what you’re doing/about是什么意思
词组
know what you’re doing/about
释义
●know what you’re ˈdoing/aˈbout (informal) have experience of doing sth and therefore understand it fully对…有经验;老到◆‘I’m worried about David using that machine.’ ‘Don’t worry. He knows what he’s doing.’ “我不大放心戴维用那台机器。”“别担心,他有经验,知道怎么用。”