expletive
n
(fml 文) violent (often meaningless) exclamation said in anger, pain, etc; swear-word (愤怒、 痛苦等时用的)叹词(常无意义); 咒骂语
`Damn!´ is an expletive. `该死!'是咒骂语.
He uttered several vigorous expletives when he dropped the iron on his foot. 他的熨斗掉下砸在脚上, 他随口骂了几声.