impertinent adj. 1.无礼的,鲁莽的,傲慢的。 2.不适当的,不恰当的。 3.离题的,不得要领的。 an impertinent youth 傲慢的青年。 adduce impertinent facts in support of a theory 罗列不恰当的事实支持某一学说。 adv. -ly
not easily perturbed or excited or upset; marked by extreme calm and composure; "hitherto imperturbable, he now showed signs of alarm"; "an imperturbable self-possession"; "unflappable in a crisis" 同义词:unflappable,