daily grind 日常工作；日常琐事；乏味的工作；例行苦事；每天得干的苦工

【例句】
Good news for those of us who need a little caffeine to get through the daily grind – drinking several cups of coffee a day may not increase your blood pressure after all.
对那些像我们一样需要一点咖啡因才能完成日常工作的人的一个好消息&每天喝几杯咖啡并不会使血压升高。

The daily grind of looking after three children was wearing her down.
每天照看三个孩子的苦差事使她变得憔悴。