その浮気は内輪の秘密だ。の英語

The love affair is a skeleton in the closet.

That love affair is a family secret.

I'm having an affair now.

This is not cheating (in a relationship).

This is not being unfaithful.

You cheat.

I have never cheated before.

I have never cheated on my romantic partner before.

His wife soon found out that he had been unfaithful to [《主に米国で用いられる》 cheating on] her.

It is rumoured there are treasures hidden there.

It is rumored there are treasures hidden there.

It's rumored there are treasures hidden there.

He is under fire for his affair.

Please do not cheat on your partner.

He cheats on his wife.

I hate unfaithful people.

I won't cheat.

I don't cheat.

The secret behind the popularity of ribbons is their loveliness.

I have never cheated on my partner.

I have never cheated on my lover.

If you cheat on me again, I definitely won't forgive you.

Did you cheat?

Did you have an affair?

Were you unfaithful?

a personal characteristic of a woman of being wanton

I am always cheated on.

of a woman, a condition of being fickle and wanton

The secret leaked out.

He is a serial cheater.