homework
/ˈhəʊmwɜːk/noun
mass noun
1- school work that a pupil is required to do at home（学生的）家庭作业。
1.1
- work or study done in preparation for a certain event or situation（为某事或事态所做的）准备工作, 预先所做的研究：
he had evidently done his homework and read his predecessor's reports.
很显然他做了准备工作并且读了他前任的报告。
1.2
- paid work carried out in one's own home, especially low-paid piecework（尤指低酬劳计件活）在家里做的活计。