* He was introduced to a pretty woman and they seem to hit it off immediately.（他被介绍给一位漂亮女子後，他们似乎就一见锺情）。
或
* They were attracted to each other the moment their eyes met.
* When he met her, he had the hots for her.（当他见到她，他就对她爱慕不已。）(多半指 sexual attraction。)