n. 为免学生空闲而布置的作业

[ noun ]
active work of little value
<noun.act>
while he was waiting he filled the days with busywork

make-work \make-work\ n.
Active work of litle value, such as assignments given by
teachers to students to keep them busy while the teacher
performs other tasks, or chores performed to while away time;
also called {busywork}.

Syn: busywork.
[WordNet 1.5 +PJC]


busywork \busywork\ n.
active work of little value, performed merely to occupy time,
avoid boredom, or to look busy; as, while he was waiting he
filled the days with busywork.

Syn: make-work.
[WordNet 1.5 +PJC]