校園英語口語習慣用語 第147期:have one's number
have one's number 對某人心中有數
【講解】
名詞number指的是“數量,總數”,have one's number 則指“對某人心中有數”,尤其指“對某人的能力或性格心中有數”。
【對話】
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:為什麼?
A:I'll have to rewrite my thesis. That'll take much time.
A:我得重新寫論文,那要花很多時間。
B:Stop trying to fool me. I have your number.
B:別想糊弄我,我清楚你的底細。