have one's number 對(duì)某人心中有數(shù)
【講解】
名詞number指的是“數(shù)量,總數(shù)”,have one's number 則指“對(duì)某人心中有數(shù)”,尤其指“對(duì)某人的能力或性格心中有數(shù)”。
【對(duì)話】
A:I was wondering if you could give me a day off.
A:你能不能給我一天假?
B:What for?
B:為什么?
A:I'll have to rewrite my thesis. That'll take much time.
A:我得重新寫論文,那要花很多時(shí)間。
B:Stop trying to fool me. I have your number.
B:別想糊弄我,我清楚你的底細(xì)。