| 单词 | buck up | 
| 释义 | ● ˌbuck ˈup (informal ) (often in orders 常用于命令) to become more cheerful 振作SYN cheer up◆ 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 !(old-fashioned ) used to tell sb to hurry 快点;赶快SYN hurrySee also buck | 
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