Have you heard from jason?你有杰森的消息吗

hear from:从…听到

What do we do until we hear from jack?

有杰克的消息前我们该做些什么？

We want to hear from you!

我们想要听听你的看法！

She's worried enough about me as it is.她已经够为我担心的了

worry about:担心； 烦恼

Don't worry about little things.

别为琐事烦恼。

I don't think you need to worry about this.

我认为你不必为这事担心。

do you think they found out something that we could use?你觉得他们有没有找到什么对我们有用的东西

find out:发现；找出来

We shall find out the truth early or late.

我们迟早会查明事实真相。

You can find out many advantages in urban life.

你会发现都市生活中有许多便利之处。