вас обманывать

to deceive you

→ вы
phrase Rare #30,242
to deceive you «Вас» is the formal or plural form of “you” as the object of the verb.
RU: Я не хочу вас обманывать.
EN: I don't want to deceive you.

Зачем мне вас обманывать?

Why would I lie to you?

— The Cranes Are Flying (1957)

Мы не собираемся вас обманывать.

We’re not going to deceive you.

Я не хотела вас обманывать.

I didn't want to deceive you.

— Кинопроба (2000)