a poisoned chalice

(British)

something that harms the person it is given to although it seemed very good when they first got it The leadership of the party turned out to be a poisoned chalice.

Common Names:

Name	Pronounced	Usage
Janey	['dʒeini]
AindrÉAs	AHN-dray-as	Irish
Salomon	sa-lo-MAWN (French)	French, Swedish, Norwegian, Danish, Biblical Latin, Biblical Greek
Alimjan	-	Uyghur
Ricard	-	Catalan
Diocles	-	Ancient Greek (Latinized)