資料來源 : pyDict

沈著,冷靜,泰然自若

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Imperturbation \Im*per`tur*ba"tion\, n. [L. imperturbatio.]
   Freedom from agitation of mind; calmness; quietude. --W.
   Montagu.