He is capable of treachery.

The translator is a traitor and the translation is a treachery.

But Capys and the rest, of sounder mind, / urge us to tumble in the rolling tide / the doubtful gift, for treachery designed, / or burn with fire, or pierce the hollow side, / and probe the caverns where the Danaans hide."

Humans commit acts of cruelty, treachery, betrayal and violence that are unbecoming, considering how civilized they are.

What is this treachery?

Misogynists, their treachery knows no limits.

Too much confidence leads to treachery.

All translation is treachery.

I have not forgotten your treachery.

Women, their treachery knows no limits.