線せんが太ふとい

expression, i-adjective

impressive; tough; having a strong presence

Idiomatic expression describing a person or thing that has a bold, solid, or imposing quality, often used for someone with a strong character or presence. Literally 'the line is thick', suggesting robustness.

• 彼かれは線せんが太ふといから、多た少しょうの失しっ敗ぱいではへこたれない。

  He's tough, so he won't be discouraged by a few failures.

• あの新しん人じんは線せんが太ふとくて、大おお舞ぶ台たいでも物もの怖おじしない。

  That newcomer has a strong presence and isn't intimidated even on a big stage.