虚きょ弱じゃく体たい質しつ

noun

weak constitution; frail health

Describes a person who is physically weak, gets sick easily, or has low stamina. Often used in medical or everyday contexts.

• 彼かれは虚きょ弱じゃく体たい質しつで、よく風邪かぜをひく。

  He has a weak constitution and often catches colds.

• 子こ供どもの頃ころは虚きょ弱じゃく体たい質しつだったが、今いまは健けん康こうだ。

  I had a frail constitution as a child, but now I'm healthy.