硬

There was a thick layer of ice on the river, very hard.

This piece of bread is hard, don't eat it.

Today's rice is a little hard, I'll still eat steamed buns.

He will never pay up unless you get tough with him.

Kid-glove methods haven't worked—it's time to get tough.

The other side's attitude is very hard, and it seems difficult to accept the conditions we have proposed.

He is a typical tough guy, not afraid of heaven.

Some beggar children cornered us for money.

He foisted his company on us.

manage to squeeze ten pages of text out of one small incident

I didn't let him go, he insisted on going, so he had to agree to let him go.

You are not in good health, if you can't do it, don't do it hard.