"But I heard the general was very firm about helmets."

She protested over letting me pay her but I was firm about it.

He was pretty firm about that, no matter what.

She was quite firm about it, according to my brother.

When the time came, she was similarly firm about the boys' schooling.

But the person at the other end of the connection was most firm about it, if a little embarrassed.

The line had been extended and was firm about his waist.

I'm afraid I had to be quite firm about it.

I believe we must be very firm about this.

They were quite firm about that, even though Matt was playing an entirely different character.