"second nature"的意思是第二天性、習性。
second nature n.第二天性,習性例句:2.It's not easy at first, but it soon becomes second nature.起初不容易，但很快就習慣了。
3. Planning ahead had always come assecond nature to her預先計劃一直是她的習慣。
4. Stealing has become that rascal'ssecond nature.這家伙盜竊成性。
