You look fabulous—you'll knock 'em dead tonight.

你看上去漂亮极了—今晚肯定把他们迷倒。

《牛津词典》

The world has been waiting for you to knock 'em dead.

世界正等着你让他们折服。

youdao

Pvt. James Frederick, Ryan: Oh, my God, my brothers are dead. I was gonna take 'em fishing when we got home. How - How did they die?

弗雷德里克：哦，我的天，我的兄弟们都死了。当我们回家之后我会带着他们去捕鱼。他们怎么死的?。

youdao

So don't go to "Once" expecting to see knock-'em-dead production numbers belted out by a platinum-blond babe backed by the Rockettes and the Mormon Tabernacle Choir.

WSJ: Once | Jesus Christ Superstar | The Little Musical That Should | Theater Review by Terry Teachout

We tried 'em with a dead cat that we found on the road, but they didn't want it.

ECONOMIST: Frank Mundus