a piece of work that sb has to do 任务◆Our first task is to set up a communications system. 我们的首要任务是要建立通讯系统。◆The new CEO faces an uphill task to prevent the company being taken over. 新任首席执行官面临着保护公司免遭收购的艰巨任务。◆Persuading staff to accept a pay cut will be no easy task(= it will be difficult). 说服员工接受减薪不是件容易的事情。➡multitasking (2) ⨁to carry out / complete / do / perform / undertake a task 实行／完成／执行／履行／承担任务⨁to give sb / set (sb) a task 分派／安排给（某人）一项任务⨁ a big / crucial / an important / a time-consuming / an urgent task 重大的／决定性的／重要的／费时的／紧急的任务⨁a challenging / daunting / difficult / hard / an impossible task 具有挑战性的／令人望而生畏的／困难的／艰巨的／不可能完成的任务
() an item of work which is processed by a computer as a single unit （计算机执行的）一项任务SYNjob ⨁to do / execute / perform a task 进行／执行／完成一项任务➡multitasking (1)