The laws of nature are absolute.
自然规律是绝对确凿的'。
Just let nature take its course.
就顺其自然吧。
Dishonesty is foreign to his nature.
弄虚作假并非他的本性。
There was a darker side to his nature.
他本性中还有阴险的一面。
By its very nature a lion is ferocious.
狮子本性凶残。
