爱屋及乌（愛屋及烏）　

◎ 爱屋及乌 àiwū-jíwū

[he that loves the tree loves its branches;love me,love my dog] 爱一个人而连带爱他屋上的乌鸦。比喻喜爱一个人而连带地喜爱和他有关的人和物。及:达到