You look a little run-down. 你看起来有点累。
I'm all done in. 我觉得气衰力竭。 I'm dog-tired. 我累坏了。
Don't bother me. I've had a rough day. 不要烦我,我已挨了难过的一天。 Oh, my poor aching back. 哎唷,我那可怜疼痛的背。
I could sleep for a week. 我可以整整睡一星期 。 You wear me out. 你累坏了我。
I've hit my peak. 我像太阳过了晌午,已开始走下坡。