assignment
n. 作业，任务；（工作等的）分配，指派；（财产、权利的）转让
复数 assignments
例句
I had set myself a tough assignment.
我给自己定了一项艰巨任务。
《牛津词典》
I've been working at my assignment all day.
我整天都在做作业。
It had been a monumental blunder to give him the assignment.
分配给他这项任务是一个巨大的错误。
《柯林斯英汉双解大词典》
