be born with的前面加to是因为做后置定语。
例句
1、
She was born with a weak heart.
她生来就有一个衰弱的心脏。
2、
Is personality the result of conditioning from parents and society， or are we born with it?
个性是受父母和社会熏陶的结果，还是我们生而有之
3、
She was born with deformed hands.
她的双手天生畸形。
be born with前面为什么加to
是两种搭配，用法如下:
be born with:“天赋；命运”（侧重天赋）
He was born with a good memory.
他生来记性就好。
be born to:生而为......；生来就是(侧重命中注定）
She was born to succeed in life.
她生来注定会成功。
