1. eye-opener令人大开眼界的事

Listening to him talk about his adventure in China was a real eye-opener.

听他谈在中国的历险令人大开眼界。

2. fake someone out骗过某人

The quarterback faked the other team out by keeping the ball instead of passing it.

四分卫持球不传，骗过了敌队。

3. fall flat失败；碰壁；未达到预期效果

His joke fell flat because no one understand it.

他的笑话没人听懂，所以没有收到效果。

4. cover for掩护

Don’t worry about mother, I’ll cover for you this time.

别担心妈妈那边，这一次我会为你掩护的。

5. bite the bullet咬紧牙关，忍受痛苦

You just bite the bullet and get it over with.

咬紧牙关完成这件事吧。