1 I'm not familiar with him, we are also just met
2 The girl had experienced two fall in love, may also been hurt
3 His confession to the girl, the girl finally accepted his / girl eventually rejected him
4 He and I are very familiar with, we all know for years
I know little about him,We just met in few days
The girl had already experienced in love twice,and may has been hurt
he confessed his love for the girl,she accepted(rejected拒绝) at last
I am very familiar with him,we know each other many years
I am not familiar with him for we met lately,
Experienced two times in love, the girl may have been hurt.
He made the avowal to the girl.The girl finally accepted him/girl finally turned him down
He and I are very familiar with for we all know for many years