he'll never achieve anything unless he works harder.とは 意味・読み方・使い方

You'll never achieve anything if you don't study harder.

You'll never achieve anything if you don't study harder.

You'll never achieve anything if you don't study harder.

He preferred working to doing nothing.

No one can achieve anything without effort.

With a little more effort, he would have succeeded.

He has an [no] inclination for hard work.

He's not being fully stretched in this job.

With just a little more effort, he would have succeeded.

You cannot achieve anything without effort.

He's doing his best at that but it isn't going well.

No one can achieve anything without effort.

Nothing can be gained without effort.

Nothing is achieved without effort.

You can't achieve anything without effort.

He's intent on his work [on doing his best].

With a little more effort, he would have succeeded.

He's incompetent to do the job.

You can't get ahead if you don't work hard.

You cannot make a good mark without working hard.

He will not work, unless he is put to the push.

Nobody is able to succeed without endurance.

Try as they may, they will never succeed.

He is the only person who can handle this job.

No one but he would be equal to this task.

You cannot succeed in anything unless you persevere.

He never does a slovenly job.

However hard you may try, you will not be able to do it.

You won't succeed unless you work hard.

it is not regarded as one of his more memorable works