讲解：
recruit sb
吸收(新成员)；征募(新兵):
The police are trying to recruit more officers from ethnic minorities.
警察机关正试图从少数民族中征募更多的新警员。

shut sth down
(使)关张,停业,倒闭,关闭,停止运转:
The computer system will be shut down over the weekend.
计算机系统周末关闭。

be dismissed
让(某人)离开；把(某人)打发走；解散:
At 12 o'clock the class was dismissed.
12 点下课了。

on assignment
(分派的)工作,任务:
One of our reporters on assignment in China will come back.
我们派驻中国的一名记者要回来了。

greeting card
贺卡
Had you recieved his greeting cards?
你收到他的贺卡了吗？