あんな奴の仕事を手伝ってやる必要はなかったんだよ。の英語

You needn't have helped him with his work.

I have no time to help you with the work.

It is unreasonable to set this task to a man of his constitution

The task is too much for a man of his constitution.

You shouldn't be picky about other people's work, you know?

I don't want to interrupt someone's work.

A pretty fellow, to do no work and do nothing but spend money!

I can't say I would want your job.

He couldn't get the job.

I have no time to help you with the work.

You don't have to work so hard.

I agreed to take on the job realizing that I had no choice.

That job would probably never have finished if you didn't help out.

I'm sorry to lay this heavy task on you.

I can't afford to hire a maid.

You've got to get a steady job.

There is no one here who can help you with the work.

I can't get this work done by anybody.

Your work is far from being satisfactory.

The job overtaxed my strength.

Everybody's work is nobody's work.

It's not fair! I have to do the hard work!

Don't give up your work in despair.

I am not equal [up] to the task.

Everybody's business is nobody's business.

I wouldn't wish this hard job on anyone.

Everybody excused himself from the task―begged off the task―cried off the task.

You are not used to this kind of job.

I agreed to take on the job realizing that I had no choice.

I am not strong enough for such work.