task
单词辨析：
可指雇主、老师、父母等分派给的任务，有时也指自愿承担的工作，常含较为艰巨或令人厌烦之意。
The boss forced this difficult task upon him.
老板强迫他干此苦差事。
I set myself the task of chopping up the firewood.
我给自己安排了劈柴的任务。
The teacher assigned each of them a holiday task.
老师给他们每个人都分配了假日的任务。
较正式用词，指分派的工作任务或指定的课外作业。
He was sent abroad on a difficult assignment.
他被派出国执行一项艰巨任务。
The reporter took on the assignment with great zeal.
那位记者非常热情地去执行这项任务。
Today's assignment is to draw a horse in motion.
今天的作业是画一匹动态的马。
相关例句：
The country's intellectuals are also being taken to task for their failure to speak out against the regime.
该国知识分子也因未能公开反对该政权受到了指责。
The task requires extraordinary patience and endurance
那项任务需要非凡的耐心和毅力。
The day's events, he said, would only complicate the task of the peacekeeping forces
他说白天发生的事件只会使维和部队的任务更为复杂。
Right, we will fulfil the task.
是，我们一定完成任务。
The task was more arduous than he had calculated.
这项任务比他所估计的要艰巨得多。
The task is arduous; besides, there's not much time.
任务艰巨，同时时间又很紧迫。