- 消声器 xiāoshēngqì silencerdevice used to reduce or eliminate noise, such as a muffler for a car engine or a silencer for a firearm; also called [[消音器|消音器|xiao1 yin1 qi4]]
- 消声匿迹 xiāoshēngnìjī to disappear from the sceneto keep out of sight and stop making one's voice heard; to go into hiding or fade away