täuschen in English:

Don't deceive him.

I didnt intend to deceive people into thinking it was French champagne

It's wrong to deceive people, but worse to deceive yourself.

The company deceived customers by selling old computers as new ones

I was deceived by my closest friend.

Nature never deceives us; it is always we who deceive ourselves.

He deceived her when he told her he had lost the money.

If you deceive her once, she's never going to trust you.

He tried to deceive his friends as they were playing a game.

cheat- i feel cheated/deceived

deceiver | deceit | deceitful | deceitfully | deceitfulness

Be careful when signing contracts if you don't want to be deceived.

He deceived us on choosing the furniture and we overpaid.

He deceived me into thinking that he was trustworthy.

Deceive me once, and I will forgive you; deceive me twice, and you're a double-crosser.