当前问题的答案是：

I'm exhausted

I'm worn out

I'm tired to my bones

I'm weary in body and mind

I'm utterly exhausted

I'm dog-tired

I'm beat

I'm beyond tired

I'm so tired that I can't go on

I'm worn to a frazzle

这些句子都可以用来形容一个人感到非常疲倦和疲劳的状态