それは愚の骨頂だ。の英語

It's so stupid.

That is the height of foolishness.

it is all patently nonsense

That's a stupid question.

That's a stupid question!

That is a stupid mistake.

That is a foolish tool.

It is such a stupid love.

It is an act of folly.

Do not say such foolish things.

Don't say such foolish things.

That's hindsight.

It would be ill-advised to take such a step.

Your views are absurd.

You've got your priorities backwards.

He is acting a studied part.

That is truly an absurd idea.

That is a pack of lies.

That's a pack of lies.

It is way too stupid.

It is a fundamental error―a radical error.

I am innocent of the charge.

That idea is misplaced.

It is the height of folly―folly itself―to do such a thing.

It is a whopping lie―a whopper―a bouncer.

It is a downright swindle.

He is an egregious ass.

You're an idiot.

That is an extreme prejudice.

That is a horrible bias.