第一，情景對話

A: Do you think Tom can remain at the top of the class this time?

你認為湯姆這次還能保特全班第一嗎？

B: I believe so. He seems to have a card up his sleeve.

我相信他能。他看起來胸有成竹。

A: All his confidence comes from hardworking.

他的自信源于他的勤奮。

B: Yeah. he's the most diligent student I have ever met.

是啊，他是我見過的最勤奮的學生了。

第二，詞海拾貝

have a card up one’s sleeve

Exp. To have a plan or asset that is kept secret until it is needed. （心中有數，胸有成竹）

e.g. She has a card up her sleeve if they ever try to fire her, since she knows about the boss's unscrupulous business practices.

如果他們想解雇她，她有錦囊妙計，因為她知道老板無良的商業行為。

e.g. Bill always has a card up his sleeve, so when his first plan failed he tried another.

比爾經常留有一手, 所以當第一個計劃失敗后, 他就試行第二個。

第三，詞匯積累

at the top of ：在首位，在最高地位，在......的巔峰

e.g. He is at the top of his class.

他是班上數一數二的好學生。

e.g. Mary came out at the top of the class.

瑪麗在班上名列前茅。

e.g. Mrs. Atkins is a very vulgar woman to shout like that at the top of her voice.

艾特金太太真沒教養，大叫大嚷的。

e.g. He was able to make himself heard only by shouting at the top of his voice.

他要使他自己的聲音讓別人聽見，只有用最大音量喊。