the weak link (in the chain)
成語所屬單字link
the weak link (in the chain) — 慣用語
1. The part of a system or group that is most likely to cause failure.
1.慣用語
釋義
最弱的一環
The part of a system or group that is most likely to cause failure.
例句
Our outdated server is the weak link in the company's network.
Who is the weak link in your team's defense strategy?