play false

Duke Robert was threatening; "he shall know what it is to play false with the heir of William the Norman!"

Turning swiftly, he snarled and bit, at them in angry disbelief that his good little legs should play false with his stout heart.

All of a sudden a rumour was spread abroad that the woman was about to play false, and to peach the rest.

The dealer can play false cards; while the adversaries cannot afford to deceive each other.

My ears are strung to-day, And play false airs invented by the wind.