overshadow

1. V-T If an unpleasant event or feeling overshadows something, it makes it less happy or enjoyable. 给…蒙上阴影

Fears for the president's safety could overshadow his peace-making mission. 对总统安全的担心会给他的和平促进任务蒙上阴影。

2. V-T If you are overshadowed by a person or thing, you are less successful, important, or impressive than they are. 使黯然失色[usu passive]

Hester is overshadowed by her younger and more attractive sister. 她那更年轻而且更有魅力的妹妹使赫斯特黯然失色。

3. V-T If one building, tree, or large structure overshadows another, it stands near it, is much taller than it, and casts a shadow over it. 遮蔽

She said stations should be in the open, near housing, not overshadowed by trees or walls. 她说车站应该建在开阔、靠近住宅区的地方，不要被树木或墙遮挡。