a link in the chain
成語所屬單字chain
a link in the chain — 慣用語
1. One part of a series of connected events, actions, or ideas.
1.慣用語
釋義
鏈條中的一環
One part of a series of connected events, actions, or ideas.
例句
Each employee is a vital link in the chain of production.
Losing that document was a weak link in the chain of evidence.