1. be anxious about sth (sb) 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 (sb)
(1) 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 helth.
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。
(2) 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(希望，想要)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(希望， 想要)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.
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