imperturbable
英 [,ɪmpə'tɜːbəb(ə)l]
美
- adj. 冷静的；泰然自若的
英英释意
- 1. 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"