a long, thin, light sword with a sharp point 轻巧细长的双刃剑 - (figurative)
rapier wit (= very quick and sharp) 敏锐的才思
Oxford Collocations DictionaryRapier is used before these nouns:- wit
Word Originearly 16th cent.: from French rapière, from râpe ‘rasp, grater’ (because the perforated hilt resembles a rasp or grater).- (figurative)