在线词典不假思索形容做事答话敏捷、熟练,用不着考虑。拼音bù jiā sī suǒ解释形容做事答话敏捷、熟练,用不着考虑。近义词一挥而就、脱口而出、一目十行反义词慢条斯理、深思熟虑、搜索枯肠英文释义(idiom) to act without taking time to think; to react instantly; to fire from the hip