add fuel to the fire

US /æd ˈfjuːl tu ðə ˈfaɪər/
UK /æd ˈfjuːl tu ðə ˈfaɪər/
"add fuel to the fire" picture
1.

火に油を注ぐ, 状況を悪化させる

to make a bad situation worse

:
His angry comments only served to add fuel to the fire.
彼の怒ったコメントは、ただ火に油を注ぐだけだった。
Don't mention his ex-girlfriend; it will just add fuel to the fire.
彼の元カノの話はしないで。それはただ火に油を注ぐだけだから。