泰たい然ぜん自じ若じゃく

taru-adjective, adverb taking the 'to' particle

calm and self-possessed; imperturbable; unruffled

Describes a person who remains completely calm and composed even under pressure. Often used in literary or formal contexts. As a 'taru' adjective, it typically appears in the form 泰然自若たる or 泰然自若として.

• 彼かれはどんな困こん難なんにも泰たい然ぜん自じ若じゃくとしている。

  He remains calm and self-possessed no matter what difficulties he faces.

• 泰たい然ぜん自じ若じゃくたる態たい度どで交こう渉しょうに臨のぞんだ。

  He approached the negotiations with an imperturbable attitude.