drool over someone/something        
phrasal verb with drool verb [ I ] uk/druːl/ us/druːl/
 贪婪地看,痴痴傻傻地看
to show extreme and sometimes silly pleasure while looking at someone or something
  Roz and I sat by the swimming pool, drooling over all the gorgeous young men. 罗兹和我坐在游泳池边痴痴地看着那些帅小伙儿。 
 I left Sara in the shop drooling over a green silk dress. 我扔下萨拉一个人在商店里着迷地看着一件绿色的丝裙。