1、来回奔走
... beat off击退，打退(进攻) beat up and down来回奔走 begin with以…开始；开始于 ...
2、往返奔走
... beat off击退,打退(进攻) beat up and down往返奔走 before long不久以后 ...
3、翻译
...bromo-hydrocinnamic acid翻译 【建】 溴苯丙酸, 溴代氢化肉桂酸beat up and down翻译 来回奔走BGP翻译 【计】 边界网有关协议 ...
4、来回奔忙
... beat to the draw 抢在 beat up and down 来回奔忙 beat up for 为募集奔忙 ...