1. 破伤风
Tetanus is a serious painful disease caused by bacteria getting into wounds. It makes your muscles, especially your jaw muscles, go stiff.

1. a sustained muscular contraction resulting from a rapid series of nerve impulses

2. an acute and serious infection of the central nervous system caused by bacterial infection of open wounds
spasms of the jaw and laryngeal muscles may occur during the late stages

Synonym: lockjaw