curt adj.简短的，草率的(abrupt,blunt)
Our waiter was so curt that we almost walked out.
reckless adj.鲁莽的（rash）
The reckless driver drove above the speed limit
impudent adj.鲁莽的(rude rash)
rashly adv.鲁莽的，匆忙的
The student rashly decided to take the exam.
imprudent adj.轻率的，不谨慎的
It is imprudent to accept a date with a stranger.
blunt adj. 直率的，粗鲁的
John Wayre was a blunt talker and straight shooter