a chink in armour

a chink in somebody's armour

(British & Australian) also a chink in somebody's armor (American & Australian)

if someone or something which seems to be strong has a chink in their armour, they have a small fault which may cause them problems She's a brilliant businesswoman, but her lack of political awareness may be the chink in her armour.

Common Names:

Name	Pronounced	Usage
Bice	BEE-che	Italian
Shae	SHAY	English (Modern)
Nicola	['nikələ]
Fishke	-	Yiddish
Matthan	-	Biblical, Biblical Latin, Biblical Greek
Tillo	-	German (Rare)