for the duration

1. 在战争期间；直至战争结束
   They were put into detention camps for the duration.

   他们被关在拘留营里直至战争结束。

2. 在某事未完期间
   He was prepared to do this for the duration of the campaign.

   他准备好在选举期间做这件事。

• for the duration
  informal for a very long time.