The mother was anxious about her children's safety when they were out after dark.

孩子们天黑后还在外头，母亲担心他们的安全。

She was anxious less she (should) be late.

她担心是否会迟到。

The people were anxious for peace.

人民渴望和平。

They are anxious for his presence.

他们渴望他的来临。

He is anxious to see you.

他急着想见你。

I was anxious for him to arrive promptly.

我渴望他能早点到达。