second nature

n. 第二天性, 习性

例句与用法：

After a while, driving becomes second nature to you.

过不多久，开车的动作就像本能的反应一样了。

Custom is a second nature.

习惯是第二天性。

Habit is second nature.

[谚]习惯是第二天性。

详细释义：

ph.

第二天性; 老习惯