She became uncooperative: unwilling to do her homework or help with any household chores.

她变得不合作起来：不愿做作业或是帮助分担家务。

The key here is unpaid household chores.

关键是让他们做些无偿的家务劳动。

He often helped his mother with the household chores.

他常常帮助妈妈干家务活。

Housework: Women still do the lion's share of household chores.

统计证明，女人在做家务的份额上始终是占绝大部分的。

Home robots that do household chores — dishes, laundry, changing diapers.

家用机器人包揽家务活，比如刷盘子、洗衣服、换尿布等。