勒死 lēisǐ to strangle Definitions Defs Origin Strokes Stroke Words Sentences Sents 勒 lēi to strap tight To tie, bind, or strap something very tightly, such as a belt or a rope around a neck死 sǐ particle extremely Used as a suffix or adverb to indicate an extreme degree, meaning "extremely", "to the death", or "to the point of dying".