The detective found a chink in the armor of the suspect's alibi.
chink in the wall
Frequency:
65
%
There was a small chink in the wall where the sunlight streamed through.
chink in the chain
Frequency:
45
%
The weak link was the chink in the chain that caused the whole system to fail.
Idiomatic Expressions for chink
Phrase: chink in the armor
Meaning: a small but significant weakness or flaw in a plan or system
Usage: The security system had a chink in the armor that hackers exploited.