He is an only child. 他是个独生子。

I don't have any problem of this. 我没有这种问题。/ 我没有这种烦恼。

How long was he in there? 他在那里呆多久了？

Got any advice? 有什么建议吗？

When did it get so complicated? 什么时候变得那么复杂了？

Remember when we were in high school together? 还记得我们的高中时代吗？

I never thought I'd be here. 我从未想过自己会落得如此地步。

How could I forget? 我怎能忘记？

Good shake. Good shake. （握手时）你/他/她的手好有力。

Does she familiar with the situation? 她熟悉情况吗？

She's very supportive. 她很支持。

He's gonna be here for hours. 他要在这里呆几个小时。