1 . be anxious about sth 为某事或某人担心或担忧。如：

I’m very anxious about him. 我很为他担心。

He was anxious about her absence. 他担心她不来。

2 . be anxious for sth 为某事或某人担心或担扰。如：

He was anxious for family. 他为他的家人担心。

We are anxious about his health. 我们都为他的身体担心。

注：此用法有时可将介词 for 换成 about。如：

We’re anxious for [about] his safety. 我们担心他的安全。

渴望某事物。如：

We are anxious for a change. 我们渴望换个环境。

We are really anxious for peace. 我们确实渴望和平。

3 . be anxious to do sth 渴望要做某事。如：

He is anxious to see her. 他渴望见到她。

We are anxious to leave here. 我们急于要离开这儿。

注：此用法有时可与 be anxious for sth 互换。如：

He’s anxious to know [for] the result. 他渴望知道结果。

4 . be anxious for sb to do sth 渴望要某人做某事。如：

We are anxious for him to come. 我们希望他来。

I was anxious for everything to be settled. 我希望把一切都解决。

注：该句型有时可与带从句的结构互换。如上面两句也可说成：

We are anxious that he should come.

I was anxious that everything should be settled.