grunt work

1. 1.

   Work (especially that which is heavy, repetitive or mindless) that is considered undesirable and therefore delegated to underlings.

   被认为不理想而推给下属的(尤其繁重、重复或无需动脑的)工作。

简单的；枯燥乏味的工作；会使人感到非常疲劳的繁重的体力劳动。