His voice was firm, with enough of an edge to make her hear and understand the difficult truths.

I turned back, trying to decide how to be firm with a door.

Then one night, during the last year that I knew him, he evidently decided to be firm with me.

She was going to have to be very firm with this one to get him to forget.

"It's probably hard for me to be very firm with him."

Each time his mother's heart was firm with pride and joy.

He also warns that you have to be firm with yourself.

I've had to be firm with him in other ways, too, but much less obviously.

One has to be firm with that sort of person.

It is time for you to be firm with him!