体からだを惜おしむ

expression, godan verb (-mu)

be lazy; spare oneself; avoid effort

Idiomatic expression meaning to avoid physical effort or be reluctant to exert oneself. Often used in negative or admonishing contexts.

• 彼かれは体からだを惜おしまずに働はたらいた。

  He worked without sparing himself.

• 体からだを惜おしんでいては上じょう達たつしない。

  You won't improve if you're lazy.