second nature
變得習以為常,變成一種本能或習慣的行為
日常·形容習慣成自然
英文釋義
something that is instinctive or habitual to someone, acquired through frequent repetition or long practice
例句
Driving on the left side of the road is second nature to him now.
典故來源
源自亞里士多德哲學,指通過反復實踐形成的本能行為。