poker-face

n (infml 口) face that shows no sign of what the person is thinking or feeling 无表情的面孔.

point-duty, point-to-point, pointed, pointer, pointillism, pointillist, pointing, pointless, pointlessly, pointlessness, points, pointsman, poise, poised, poison, poison-pen letter, poisonous, poisonously, poke, poker, poker-faced, poker-work, pokiness, poky, Poland, polar, polar bear, Polaris, polarity, polarization, polarisation, polarize, polarize, polarise, Polaroid, Polaroid camera, Pole, pole-axe, pole-star, pole-vault, pole-vaulter, pole-vaulting,