彼はよってるか気が狂ってるかどちらかだ。の英語

He is either drunk or mad.

He's a bit on the stingy side.

He must be crazy that he should do so.

I wish he would make up his mind one way or other.

He pretends to know everything.

He is frugal, to say the least of it.

He is insisting both of those are his own.

It is quite natural that he think so.

It is doubtful whether he is telling the truth.

It seems that he has something to do with the matter.

He is doing a super job.

It is funny for him to say so.

It is rude of him―insolent of him―to do such a thing―That is insolence.

Whatever he takes up, he gets soon tired of it.

He sticks at nothing.

I don't think he has anything to do with the matter.

It is entirely up to him whether he does it or not.

It's shameful that he behaves that way.

It is rare that he should make such a mistake.

He wanders about aimlessly―without any definite aim.

It'll be a pity if he fails.

He dips into everything.

I have some doubt about his words.

I am positive that he is wrong.

He will probably get confused.

It is impudent of him to say so.

He is not wise but clever.

He plays dirty pool.

“All is fish that comes to his net.”【イディオム・格言的】

He will meddle in everything―poke his nose into everything―have a finger in every pie.