a short pointed knife that is used as a weapon 匕首；短剑 
Each man was armed with both sword and dagger. 每个人都配备了剑和匕首。
Oxford Collocations Dictionaryadjective- curved
- sharp
- ceremonial
- …
- draw
- pull out
- unsheathe
- …
Word Originlate Middle English: perhaps from obsolete dag ‘pierce, stab’, influenced by Old French dague ‘long dagger’.
Idioms
at daggers drawn
- (British English)
if two people are at daggers drawn, they are very angry with each other 剑拔弩张；势不两立
glare/look daggers at somebody
to look at somebody in a very angry way 对某人怒目而视