interested to后面加什么

　　例句：

　　Alex is not interested in girls yet.

　　亚历克斯对女孩子还不感兴趣。

　　I am not really interested in politics.

　　我并不真正热衷于政治。

　　He's interested in witchcraft and the occult.

　　他对巫术魔法情有独钟。