English Dictionary

second nature

noun

(idiomatic) A mindset, skill, or type of behavior so ingrained through habit or practice that it seems natural, automatic, or without a basis in conscious thought.

Being organized has become second nature to her.

意味（1）

(idiomatic) A mindset, skill, or type of behavior so ingrained through habit or practice that it seems natural, automatic, or without a basis in conscious thought.

But habit had made the endurance of this load of panoply a second nature, both to the knight and his gallant charger.