poker face 1. 〈口〉毫无表情的脸；不动声色的脸；一本正经的脸 He kept his poker face, not even his eyelids stirred. 他的脸上毫无表情，甚至连眼皮也不眨一眨。 2. 面无表情的人；不动声色的人；一本正经的人 He asked why those poker faces had been invited to the party. 他问为什么那些一本正经的人都被邀参加了宴会。 3. 一本正经，严肃 He wrote all this nonsense with a poker face. 他一本正经地写出了这一切无聊的东西。 [<POKER²]