To summon one's courage or spirits; hearten
振奋：鼓起勇气或打起精神；使…欢欣鼓舞
My friends tried to buck me up after I lost the contest.
我在竞赛中失败后，我的朋友们想使我打起精神来
become more serious, energetic, and hard-working
变得更认真，更有活力，更努力
a lot of money
一大笔钱
easily and quickly earned money
易得之财
they are itinerant traders out to make a fast buck.
他们是流动商人，一心想赚快钱。
(informal)the responsibility for something cannot or should not be passed to someone else
(非正式)责任止于此
(informal)shift the responsibility for something to someone else
(非正式)推诿责任
The ultimate responsibility rests here.
责任止于此