1. catch some1's eye 吸引某人注意力;

　　2. have a crush on some1迷恋某人;

　　3. have a soft spot for some1 对某人有好感;

　　4. go out with some1=date some1和某人约会;

　　5. be lovey-dovey 卿卿我我;

　　6. have eyes only for只钟情于;

　　7. fall head over heels for对...神魂颠倒