give someone a shot in the arm (gīfu sāmwán à shòt in dé ǎrm)

Idiom Medicine

含义

to boost someone’s confidence or enthusiasm

提高某人的自信或热情 (tígāo mǒu rén de zìxìn huò rèqíng)

例句

"The victory gave the team a shot in the arm before the final."

"这场胜利给了球队一个振奋,为决赛做准备。" (zhè chǎng shènglì **gěi le qiúduì yí gè zhènfèn**,wèi juésài zuò zhǔnbèi)