彼らの努力には賞賛しないわけにはいけません。の英語

We cannot help admiring their effort.

Their efforts were not for nothing.

Efforts do not always pay off.

All their efforts were in vain.

You should not spare any effort in doing so.

I do not want to exert myself in vain.

Nothing is achieved without effort.

You can't achieve anything without effort.

All my efforts were in vain―of no avail―unavailing―All my efforts availed me nothing.

Effort for effort’s sake is meaningless. That effort must produce results.

Working hard for the sake of it is meaningless. That work must produce results.

We don't regret effort.

Don't give way to their request.

I don't want to try that much.

For all his efforts, he could not get the results he wanted.

The efforts brought about no effect.

to try to make a profit without making any effort

You cannot achieve anything without effort.

I don't regret making an effort for that.

without effort or apparent effort

a condition of being unrewarded in spite of much effort

No one can achieve anything without effort.

I don't spare any efforts.

Your effort deserves praise.

a mere wish, unaccompanied by effort to obtain

demanding little effort

Their efforts made the situation better to a certain degree.

Don't give up without a struggle.

their efforts were pathetic

You need to put more effort in.