舌の毒にまさる毒はない。の英語

A tongue is the most venomous thing of all.

not producing or resulting from poison

Strange to say,―Curious to relate,―Wonderful to say,―For a wonder,―Oddly enough,―poison has no effect on him.

It's neither good nor bad.

to be nontoxic

A word spoken is past recalling.

A word once uttered can never be recalled.

A word once spoken can never be recalled.

Words once uttered cannot be recalled.

Words once said can't be taken back.

Once you've said something, it can't be taken back.

Words can't be taken back.

The poison will break out in sores.

the state of being non-poisonous

not virulent

not producing venom

There is no help for the addicts.

This medicine is not a poison in itself.

to neutralize poison with poison 【イディオム・格言的には：】“Like cures like”

“Like-cures like.”【イディオム・格言的】

It does neither good nor harm

One has nothing to hope nor fear from it.

He uses envenomed language.

Poison enters into the system.

not producing poison

Diamond cuts diamond.

alcohol that contains poison

the state of being toxic

It's neither good nor bad.

They are alert to the dangers of food poisoning.