in life还是on life

正确的写法是in life，它的意思是（男人或女人）在（某人）生活中的，与（某人）有恋爱关系的。它的造句如下：

1.The result later in life may be feelings of emptiness and depression.

2.He may have some kind of neurosis or psychosis later in life.

3.I believe in life after death.