1.表述：let the cat out of the bag

释义：To reveal a secret.（泄露秘密）

例句：How did Mom find out we were planning a surprise party for her? Who let the cat out of the bag?

妈妈是怎么知道我们要为她准备一个惊喜派对的?谁泄露了秘密?

I've let the cat out of the bag already, Mr. Li, and I might as well tell the whole thing now.

李先生，我已经无意中泄露了秘密，干脆现在就把全部情况都告诉你。

I wanted mother's present to be a secret, but my sister let the cat out of the bag.

给母亲的礼物我原想保密，可是妹妹却露了马脚。

2. 表述：sly as a fox

释义：Very clever. （非常聪明狡猾）

例句：She may come off as nothing but smiles and sunshine, but trust me—she's sly as a fox!

她给人的印象可能只是微笑和阳光，但请相信我——她像狐狸一样狡猾！

I advise you not to do business with him— he's sly as a fox.

我劝你不要同他做买卖，这个人非常狡猾。

3. 表述：quit cold turkey

释义：To stop doing something abruptly. （断然停止做某事）

例句：Well, if you want to be with me, you'll just have to quit cold turkey.

呃，你如果想和我在一起，就得断然戒烟。

After smoking for so long, I should have never tried to quit cold turkey—the withdrawal symptoms are unbearable.

我抽了这么长时间的烟，真不该一下子就戒掉的，因为戒断症状是难以忍受的。

I'm so impressed that you quit gambling cold turkey!

你突然戒掉了赌博，这给我留下了深刻的印象。