English Dictionary

poker face

noun

(poker) An impassive facial expression cultivated to prevent other players from determining whether one's actions in the game are the result of a quality hand, or of bluffing.

She maintained a poker face throughout the entire game.

意味（1）

(poker) An impassive facial expression cultivated to prevent other players from determining whether one's actions in the game are the result of a quality hand, or of bluffing.

Though he thought he had a perfect poker face, he had a number of tells his opponents soon learned.

意味（2）

Any similar expression used to prevent giving away one's motives, feelings, or situation.