1. All thumbs

滿手都是大拇指（笨手笨腳）

He is all thumbs. = He is uncoordinated.

他笨手笨腳的。

例子：I am all thumbs at shuffing cards. Whenever I try, half of the deck falls on the floor.

我洗牌時笨手笨腳的。每一次我洗牌，總有半幅牌掉在地上。

2. An ace up my sleeve

袖里的王牌

I have an ace up my sleeve. = I have a plan that is unknown to others that will trick them.

我還有個不為人知的計劃能治服他們。

例子：He thinks that he can beat me at tennis, but I have an ace up my sleeve. When he watched me play, I used my right hand and I am actually left handed.

他以為他打網球能贏我，豈不知我還有袖里乾坤。他看我練球時，我只用右手，其實我是個左撇子。

3. An open and shut case

明顯的事件。

It was an open and shut case. = It was easy to figure out or to understand.

這件事很容易了解。

例子：There were many things that made us end our relationship; it was not an open and shut case.

我們分手的原因很多，這不是容易說得清的事情。