您要查找的是不是：
- He wore a mask so that no one should recognize him. 他戴了一個面罩，使別人認不出他來。
- Sham is sham and the mask must be stripped off. 假的就是假的，偽裝應當剝去。
- He tried to mask his disappointment with a smile. 他試圖以微笑來掩飾他的失望。
- The mask fitted tightly over his face. 他用面具把臉蒙得嚴嚴的。
- They did so under the mask of charity. 他們是打著慈善的幌子這麼做的。
- Such feelings tend to remain submerge beneath a mask of social politeness. 在社交禮貌的掩蓋下，這樣的情感往往不會顯露出來。
- Her sociable manner is really a mask for a very shy nature. 她那好交際的作風，實際上是她靦腆天性的偽裝。
- For a moment his mask of benevolence fell and the real man was revealed. 一剎那間，他慈善的假面扔掉，露出了他的真面目。
- Labial color is darker, nigrescent reason? 嘴唇顏色比較暗，發黑的原因？
- A base, ungenerous wretch who under the mask of friendship has undone me. 有個卑鄙、吝嗇的傢伙打著友誼的幌子把我毀了。
- Labial ministry: Daub of pink lip colour can. 唇部：粉色唇彩塗抹即可。
- A mask, in the character of an old woman, joined them. 一個戴著假面具扮演老婦的人加入了他們的行列。
- Why to eat mango to you can cause labial allergy? 吃芒果為什麼會引發嘴唇過敏？
- He preserved his mask of solemnity even with acquaintances. 他甚至和熟人交往也保持著一本正經的面孔。
- This cause of labial fenestration is very rare. 根管過度充填造成黏膜開窗，尚無文獻報告。
- He conceals his worries behind a mask of nonchalance. 他裝作若無其事，藉以掩飾內心的不安。
- An oxygen mask will come down from overhead in case of an emergency. 若發生緊急情況，頭頂上會降下一隻氧氣面罩。
- We tore from them the mask of democracy. 我們撕下了他們民主的假面具。
- If air is needed, the oxygen mask in the plane will pop down by itself. 如果空氣缺乏，飛機內的氧氣面罩會自動放下。
- They contrived a mask against poison gas. 他們設計了一種防毒面具。
