chatter ==> محکم به هم خوردن

chatter

[ˈtʃætəɼ]
intransitive verb

1.	[person] papoter, bavarder, palabrer [bird] jaser, jacasser [monkey] babiller the chattering classes (pejorative) les intellos mpl

2.	[machine] cliqueter

3.	[teeth] claquer my teeth were chattering from or with the cold j'avais tellement froid que je claquais des dents my teeth were chattering from