n the rapid series of noises made by the parts of a machine
n the high-pitched continuing noise made by animals (birds or monkeys)
v click repeatedly or uncontrollably
v cut unevenly with a chattering tool
v talk socially without exchanging too much information
v speak (about unimportant matters) rapidly and incessantly
v make noise as if chattering away
n. 颤振, 震颤;颤动