buck up

动词

中文：打起精神

To become encouraged, reinvigorated, or cheerful; to summon one's courage or spirits; to pluck up courage. (intransitive) · I realized I needed to buck up and tackle the problem head-on.
To encourage; to hearten. (transitive) · I knew I had to try and buck up the rest of my team as well.
To do better. (intransitive) · You better buck up or you'll never make it.
To dress oneself up smartly; compare (obsolete) buck ("a fop, dandy") (dated, intransitive)
To pass on to higher authority for resolution. See also pass the buck. (colloquial, transitive) · He started bucking up everything to management when he didn't get a raise.· He just bucked everything risky up to management.
To hit or fight (someone). (slang, transitive)

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