1. concern about 对……表示担心/忧虑；使（自己）关心……

eg. Some teachers express concern about the trend.
部分教师对这种趋势表示担忧|wIf6=Av)3pX72iuV-。

eg. There was also concern about the adaptation of laws exercise.
人们也非常关心关于法律适应化的工作N[2K0pS9L;mp+T*0。

2. beat out

(1) 胜过（对手或竞争者），击败

eg. We have beaten out our enemy.
我们击退了敌人#KaSMzvTAO5cIOZzPp。

(2) 弄明白；（经反复推敲）阐明：

eg. She wants to beat out the purpose of my coming.
她要追究我来的目的-,RG|-&)NU.sDJC。

(3) 使精疲力尽

eg. I was beaten out by the work.
我被工作搞得精疲力尽b]I^sc)EVDj。

3. get back at 报复（某人）

eg. Most of us, when we're angry at somebody, we become extremely creative, thinking of ways to get back at that person.
我们中的多数人，当对某人生气的时候，我们会变得相当有创造力，想尽方法去报复那个人9JT4IrKElwu。