labour for

• • 为…而努力；为…而苦干：

    That clerk is labouring for a promotion.

    那个职员在为提升而努力。

  • 为(某人)努力干活：

    With such a small salary, no one likes to labour for the boss.

    薪水这么低，谁也不愿为老板努力干活。