How to use "firmly" in a sentence

'No, Mr Slinkton,' I said firmly

Each was hung from the ceiling on a length of fishing line, and the upper end of each line was knotted to its own eyehook that had been screwed firmly into the dry wall

He put a hand against her back, gently but firmly urging her out of the foyer.

The tires squealed, and the car slid sideways, but the superb suspension and responsive steering held the Mercedes firmly on four wheels all the way through the arc.

Elliot shook the machine harder than he had done the last time, then harder still, but it continued to repeat the two-word message in the voice of the country singer, as if an invisible hand were holding the pick-up stylus or laser-disc reader firmly in place.

After the bellman left, Elliot engaged the deadbolt, hooked the security chain in place, and firmly wedged the heavy straight-backed desk chair under the knob.

'Sir Percival,' I said firmly