您要查找的是不是：
- They were held captive by masked gunmen. 他们被蒙面的持枪歹徒劫持了。
- He wore a mask so that no one should recognize him. 他戴了一个面罩，使别人认不出他来。
- He was set upon by two masked men. 他受到两个蒙面人的袭击。
- The thief masked his face with a stocking. 那贼套上长筒袜遮住脸。
- Have you turned off the water valve? 你关掉水阀了吗？
- 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。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- Sham is sham and the mask must be stripped off. 假的就是假的，伪装应当剥去。
- He tried to mask his disappointment with a smile. 他试图以微笑来掩饰他的失望。
- The mask fitted tightly over his face. 他用面具把脸蒙得严严的。
- They did so under the mask of charity. 他们是打着慈善的幌子这么做的。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- The masked robber made her open the safe at gunpoint. 那蒙面强盗用枪逼着她打开保险箱。
- Such feelings tend to remain submerge beneath a mask of social politeness. 在社交礼貌的掩盖下，这样的情感往往不会显露出来。
- The pump sucks air out (of the vessel) through this valve. 这台泵通过这个阀门把(容器中的)空气抽出。
- The sight of the masked gunman chilled my spine. 见蒙面枪手，我就感到恐惧万分。
- Two masked men sprang out flora behind a tree. 两个蒙面人突然从树后边冒了出来。
- The exhaust valve on my car have burn out three times. 我车子上的排气阀已烧坏三次。
- The masked man startled the woman out of her wits when she went to her room. 这个女人回到房间时戴面具的人快把她给吓死了。
- The exhaust valve on my car has burnt out three times. 我车子上的排气阀已烧坏三次。
