nine

He’s only been in this job for nine months..他干这份工作才九个月。

We open at nine (= nine o’clock )..我们9点开始营业。

Kay was taught by her mother till she was nine (= nine years old )..凯一直由她妈妈教到九岁。

nine out of ten,十分之九，百分之九十

cloud nine,n. [俚]九重天（想象中的天堂）；[俚]极乐心境；[俚]狂喜状态

nine to five,朝九晚五

whole nine yards,[美口]全部；一切事物；从头至尾

on cloud nine,非常高兴，九霄云上

nine years old,九岁