ㄊㄞˋtàiㄖㄢˊránˋㄖㄨㄛˋruò

  1. 形容遇到緊急危難情況沉著鎮定驚惶失措金史··》:矢石泰然自若號令士卒平時由是。」自由自在悠然自得目瞪口呆忐忑不安驚慌失措驚惶失措心驚膽戰周章狼狽戰戰兢兢手足無措

cool and collected (idiom)​; showing no sign of nerves, perfectly composed
Unempfindlichkeit (S)​, gelassen (Adj)​, gesetzt (Adj)​