無謀なことは一切するなの英語

Never take chances.

Do not attempt anything rash!

Whatever the matter may be,―Be the matter what it may,―do your best.

No matter what you may do―Whatever you may do―do your best.

Whatever the matter may be,―Be the matter what it may,―do your best.

Look to your manners

Cut out the rough stuff!

Don't be rash.

Don't do anything stupid.

Do not act thoughtlessly.

What a profanation!

Never do things by halves.

Be gentle with him.

Don't do anything stupid.

Do not tempt Providence!

Do not indulge in wanton waste of life!

Beware of rash actions!

Don't be rude to people!

Please refrain from selfish behavior.

Don't be such a sissy.

You are buttering the bread on both sides

Don't be a coward!

Don't do anything by halves.

None of your business.

Take care [thought] in whatever you do.

I don't want you to do things halfway.

Things are no great shakes.

You must not make fun of a serious matter.

Stop making a fool of yourself.

Don't waste time on pointless disputes.