How to use "bitterly" in a sentence

Gillenormand was sitting in front of a large fire, staring into the flames and thinking bitterly of Marius

"So he says it's for your own protection," said Gran bitterly.

Although Vivienne could see where the noise originated, she couldn't locate any source for the bitterly cold air

The air inside the car was bitterly cold and growing colder by the second.

"Except this Larry Bollinger didn't see it that way," Tina said bitterly

James laughed bitterly