Undersleep
vi.睡眠不足
??? 情景例句
The way to learn a language is to practice speaking it as often as possible.
學(xué)習(xí)一門語言的方法就是要盡量多地操練說出它來。
I wouldn't, if I were you.
要是我就不會。
It's really nice of you. Thank you very much. said the man.
“你們真好。非常感謝你們”，那人說。