under false pretences

if you do something under false pretences, you do it when you have lied about who you are or what you are doing The police charged him with obtaining money under false pretences.

See sail under false colours

Common Names:

Name	Pronounced	Usage
Gottfried	GAWT-freet	German
Amporn	-	Thai
Afonso	a-FAWN-saw (Galician)	Portuguese, Galician
Katlego	-	Southern African, Tswana
Paris	['pæris]
Russ	RUS	English