infighting

1. I gather a lot of political infighting go on before he get the top job.
   我看他一定经历了政治上诸多明争暗斗才获此高位。
2. I gather a lot of political infighting went on before he got the top job.
   我看他一定经历了政治上诸多明争暗斗才获此高位。

in.fight.ing

n.（名词）
Contentious rivalry or disagreement among members or groups within an organization:
内讧：组织内部各成员或各集团之间的对立或不和：
例句：
behind-the-scenes infighting on the President`s staff.
总统班子中的幕后内讧

Sports Fighting or boxing at close range.
【体育运动】 近击：拳击中近距离的出拳或打击

【引伸】
in.fight.er
n.（名词）