雙語例句：

　　1、worried：

　　All he's worried about is his own hide.

　　他所擔心的只是他自己的生命安全。

　　Why did you get worried about such a thing?

　　你為什么對這樣一件事發(fā)愁呢？

　　2、worrying：

　　Equally worrying is the low level of learning.

　　同樣令人擔憂的是學習程度較低。

　　You should stop worrying about it.

　　你該不要再為此事擔憂了。