🄰 vi.
<非正式>1.<英>(cheer up)振作起来；打起精神
Come on, buck up!好啦, 高兴点儿！
2.(do better)加油
If we don't buck up we'll be in trouble.我们再不加把劲儿就会有麻烦了。
🄱 vt. sep.
1.<英,非正式>(cheer up)
to buck up sb/sthorto buck sb/sth up使振作；使打起精神；鼓励
The aim was to buck up their spirits in the face of the recession.其目的是让在他们面对经济衰退时能够振作起来。
2.<非正式>(improve)
to buck sth uporto buck up sth改善…的性能；提高…的品质
to buck your ideas up变得更认真(或更卖力)