1.

1. 性急的：quick-sighted 眼快的 | quick-tempered 性急的 | quick-witted 富有机智的

2. 性急的/易怒的：quick-sighted /眼快的/眼力锐利的/慧眼的/ | quick-tempered /性急的/易怒的/ | quick-witted /富有机智的/机敏的/

3. 急性子的：light-minded 轻浮的 | pigeon-livered 温顺的 | quick-tempered 急性子的

1. 性情急躁的;急性子的;易怒的
    Someone who is quick-tempered often gets angry without having a good reason.

1. quickly aroused to anger

    e.g. a hotheaded commander

    Synonym: cholericirasciblehotheadedhot-temperedshort-tempered