godan verb (-su), transitive verb
boil; heat (a liquid); prepare (a hot drink/bath)
Transitive verb for heating water or other liquids to boiling, or for preparing hot drinks and baths. Common collocations: お湯を沸かす, 風呂を沸かす, コーヒーを沸かす.
やかんでお湯を沸かしてください。
Please boil water in the kettle.
毎朝、コーヒーを
Every morning I start work after making coffee.
godan verb (-su), transitive verb
Figurative use: to stir up emotions, enthusiasm, or excitement in people. Often used with nouns like 胸, 心, or 気持ち.
彼のスピーチは聴衆の心を沸かせた。
His speech stirred the hearts of the audience.