fortnightly /ˈfɔːtˌnaɪtlɪ/

• 1. 

  ADJ A fortnightly event or publication happens or appears once every two weeks. 每两周一次的 [英国英语]

  例：

  In November, it will start fortnightly publication, and in January it goes weekly.

  从11月开始，它将每月出版两次，到了1月则每周1次。

• 2. 

  ADV Fortnightly is also an adverb. 每两周一次地

  例：

  ...people who get paid weekly, fortnightly and monthly.

  …每周一次、每月两次、每月一次领取报酬的人。