He worked hard to no purpose.とは 意味・読み方・使い方

He strained himself to finish the work.

He worked hard to obtain his object.

He worked hard to obtain his objective.

Everything he put his hand to proved a failure.

He worked himself ill.

He has spent all his energy on this work.

This work has sapped all his energy.

He composed himself to do the delicate task.

He tried with all his might to make that work go well.

Overwork wrecked his health.

He worked very hard.

The work cost him his life.

He leapt into the task with both feet.

He made every effort, but to no avail.

He's a complete wreck from overwork.

He ruined his health by working too hard.

Hard work has carried him this far.

He was scolded for slacking (on the job).

Overwork has turned his brain.

He seemed to be tired from working hard.

He sank himself in thought [his work].

The task was total agony.

His work absorbed all his energies.

He began working in earnest.

He tried hard only to find that he was not fit for the job.

He fell ill from overwork.

He went [put his] heart and soul into his work.

He worked and worked, until (at last) he collapsed.

He worked himself to death.

He lost his life because of working too hard.