肝きもが据すわる

expression, godan verb (-ru)

have guts; be plucky; have nerves of steel

Idiomatic expression describing someone who remains calm and courageous under pressure. Often used to praise composure in difficult situations.

• 彼かれは肝きもが据すわっていて、どんな緊きん急きゅう事じ態たいでも落おち着ついている。

  He has nerves of steel and stays calm in any emergency.

• あの新しん人じんは肝きもが据すわっているね。初はじめてのプレゼンなのに堂どう々どうとしていた。

  That new employee is really plucky. He was so composed during his first presentation.