job

1.说一个人“失业”该说out of a job，不可省去a。说多个人“失业”该说out of a job或out of jobs都可以。

2.the job of (a) literary critic等表达方式里的a可有可无。

3.I had a job keeping calm是“我保持安静是很不容易的。”注意keeping前面没有in。把keeping改作to keep也可以。