I hate doing the washing-up after meals, but someone has to do it.

washing-up 是由动词 wash（洗）和副词 up（完全、彻底）组成的复合名词，指“彻底清洗餐具”的动作。在英式英语中特指“洗碗”这项家务活动，美式英语中常用"do the dishes"来表达相同意思。