overshadow
verb [ T often passive ] uk/ˌəʊ.vəˈʃæd.əʊ/ us/ˌoʊ.vɚˈʃæd.oʊ/
使黯然失色；使相形见绌；使蒙上阴影
to cause someone or something to seem less important or less happy
Karen has always felt overshadowed by her famous elder sister. 凯伦总觉得自己与出名的姐姐相比光彩全无。
My happiness was overshadowed by the bad news. 这个坏消息给我的幸福蒙上了阴影。
（建筑物）遮蔽，遮暗
(of a building) to be much taller than another building and therefore block the sun from it
Grand Central Station in New York is overshadowed by the PanAm building. 纽约中央火车站被泛美大厦遮住了阳光。