虫も殺さぬ顔。の英語

He looks as if he could not even harm a fly.

（男なら）He looks as innocent as a lamb―（女なら）―She looks as if butter would not melt in her mouth.

He looks as innocent as a lamb

She looks as if butter would not melt in her mouth.

He looks as innocent as a lamb―（女なら）―She looks as if batter would not melt in her mouth.

Even a worm will turn.

You're taking a lot for granted.

I let that insect go.

The bug is still alive.

Keep this insect alive.

Bugs came, so it was unpleasant.

The insect grew out of a pupa into an imago.

For some reason he repels me.

I just don't like him.

Insects are everywhere.

There is no accounting for tastes.

Every man to his taste.

Tastes differ.

If you look carefully, you'll find some insects.

He is at his last gasp.

I have an antipathy to that man.

That's asking too much.

I let that insect go.

His plan is too selfish―too self-seeking.

His plan is too selfish.

There is no accounting for tastes.

There are insects everywhere.

He is a disagreeable fellow.

of a tiny worm, wriggling and crawling around

Worms inhabit the alveolus.