buck for

英 [bʌk fɔː(r)]

美 [bʌk fɔːr]

努力争取

柯林斯词典

• PHRASAL VERB 努力争取
  If youare bucking forsomething, you are working very hard to get it.
  1. She is bucking for a promotion.
     她正在努力争取升职。

双语例句