mask

• He quitted the mask for an agreeable grimace .
  他不再做出那种自鸣得意的怪模怪样的假象。
• Grim amusement came on his face like a mask .
  狞恶高兴的神色象假面具似的笼罩住了他的脸。
• The sketch nello pointed to represented three masks .
  内洛所指的这幅写生，画的是三个假面。
• He conceals his worries behind a mask of nonchalance .
  他装作若无其事，借以掩饰内心的不安。
• The sight of the masked gunman made my blood freeze .
  我一看见那个持枪的蒙面人就吓得浑身冰凉。
• Its equidimensional grain size tends to mask the laminae .
  它的粒度的均一往往会掩盖了纹层层理。
• They saw further cliffs masked by dense woods .
  他们看到了连绵不断的悬崖峭壁，映掩在茂密的树木之中。
• Masked men held up a security van in south london yesterday .
  蒙面歹徒昨天在伦敦南部抢劫了一辆护卫车。
• The window was roughly patched with cardboard and masking tape .
  这窗子是用纸板和胶布马马虎虎堵起来的。
• Her sociable manner is really a mask for a very shy nature .
  她那好交际的作风，实际上是她腼腆天性的伪装。