by the fireside

(figuratively) to play with fire

(informal) extremely well

(informal) terrific, awesome

in the heat of the moment

to pull someone's chestnuts out of the fire (to do someone else's difficult work)

to participate in war operations, to fight in a war

(literally) in the event of a fire, to give up some items to the flames in order to preserve the rest / (figuratively) to compromise; to make sacrifices for the greater good

(dated) to see stars after receiving a physical blow / (by extension) to be unable to see the finer details of a complex situation; (particularly) to fall for (a deception), to be taken in, to be totally hoodwinked

to bet one's boots that, to bet one's bottom dollar that