fire (chemical process) / fire (instance of something burning) / fire; the act of firing / a means for lighting a fire, i.e. a lighter or matches

inflection of feuern:
/ inflection of feuern:

(military) fire at will! / (military, humorous) you have permission to light up and smoke / (by extension) fire away! (start talking, especially asking)

inflection of abfeuern:
/ inflection of abfeuern:

to catch fire

(figurative) great enthusiasm

(idiomatic) to add fuel to the fire

(idiomatic) to play with fire

(idiomatic) to be full of enthusiasm; to be keen as mustard

a burnt child dreads the fire; once bitten, twice shy