to add fuel to the fire

Alternative form of 火に油を注ぐ

Alternative form of 火に油を注ぐ

even if one says

anger

anger

pour into, fill / sprinkle on, water something / concentrate effort, focus energy / for rain or snow to fall

pour into something / serve food, dish out food, fill a container with food

indicates that something undesirable was done or happened

to close / to finish, do something completely / to put away, to put an end to / is, or was (with conjugation), done completely / happens, or happened, unexpectedly / is done with difficulty