These are not sufficient reasons for breaking the promise.とは 意味・読み方・使い方

have good cause to do so

Your reason does not hold good.

for no particular reason

without warrant

Your reason does not hold good.

Your reason does not hold good.

This was considered sufficient to justify the promotion.

The plaintiff's case is totally unreasonable.

The reason for the decision is to get money.

Is this alone insufficient as the procedure?

Such conduct is unjustifiable―inexcusable―Such conduct admits of no excuse―permits of no excuse―allows of no excuse.

Such conduct is unjustifiable―inexcusable―Such conduct admits of on excuse―permits of no excuse―allows of no excuse.

the state of having no grounds

You haven't sufficiently explained those reasons.

for some unaccountable reason

They fell six votes short of the two‐thirds necessary to reverse the veto.

There is no clear reason in that.

for some unknown reason

There are many, many reasons for it.

for no particular reason

I'm expecting a full explanation as to why these files were destroyed

No reason, no reason.

adduce reasons [evidence]

This work does not meet our requirements.

name several reasons

The reason may or may not be given.

There is no need of giving the reason.

Don't ask me why.

That is only an ostensible reason.

I have solid grounds for saying so.