imperturbable
英 [,?mp?'t??b?b(?)l]
美
- adj. 冷靜的；泰然自若的
英英釋意
- 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"