You'd best buck up or we'll be late.
你最好快点，不然我们就要迟到了。
The good news made all of us buck up.
这条好消息使我们大家倍受鼓舞。
He'll have to buck up, if he wants to catch that train.
如果他想赶上那班火车，那么他就得快点。
This news will buck her up (make her buck up) a lot.
这个消息将使她大大振作起来。
Buck up, kid! It's not the end of the game.
年轻人，振作起来！比赛还未结束呢。
Buck up! Don't give up easily!
振作起来，不要轻易放弃！
Buck up, or you'll miss the train.
赶快，要不你就赶不上火车了。
Buck up! Things are getting better!
别灰心！情况会好起来的！
Buck up, you'll be late for school.
快点儿，你上学要迟到了。
振作起来！
振作起来！
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