a sort of a life的用法和样例：
- There is a sort of a push, pull here.
- This is a sort of indeterminate color.
- He was a sort of a gentleman, and would meddle in state matters.
- I had a sort of feeling he wouldn't come.
- Leading a life of calm duty, constant routine, mystic reverie, --made them a sort of nuns.
- He had a sort of instinctive chivalry in him.