They're so lovey-dovey, always whispering to each other and looking into each other's eyes.

      他们两个老是卿卿我我的，时而窃窃私语，时而深情对视。

      8. to have eyes only for 只钟情于某人

      = to be attracted to one person only

      He's dropped all his old friends, now that he has eyes only for Susie.

      他抛弃了所有的老朋友，因为如今他眼里只有苏西。

      9. to be smitten by someone 爱上某人

      = to be in love with someone

      I first met him at a party and from that evening on, I was smitten.

      第一次见到他是在一次派对上，从那夜起我就迷上他了。

      10. to be the love of someone's life 为某人所爱

      = to be loved by a person

      He has always been the love of her life.

      他是她一生所爱。