weak link
成語所屬單字linking
weak link — 慣用語
1. the least dependable or most vulnerable person or thing in a group, system, or p
1.慣用語
釋義
最弱的一環
the least dependable or most vulnerable person or thing in a group, system, or process
例句
On the factory assembly line, the old packaging machine was the weak link — it kept breaking down and delaying every shipment.
The old server was the weak link in the company's data network.