惰弱

彼の惰弱な態度が成功を妨げた。

His lazy, spineless attitude held back his success.

そんな惰弱な精神では何事も成し遂げられない。

With such a weak-willed attitude, you'll never accomplish anything.

監督は選手たちの惰弱を厳しく戒めた。

The coach sternly rebuked the players for their lack of backbone.

幼い頃は惰弱な体で、よく学校を休んだ。

As a child I had a frail constitution and was often absent from school.

惰弱な体を鍛えるために毎朝走っている。

I run every morning to build up my feeble body.

彼は生まれつき惰弱で、無理がきかない。

He has been delicate since birth and can't push himself too hard.