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VERB
給…蒙上陰影；使掃興
If an unpleasant event or feeling overshadows something, it makes it less happy or enjoyable.
例句
Fears for the President's safety could overshadow his peace-making mission...
對總統安全的擔憂可能會給他的調解使命蒙上陰影。
Her childhood was overshadowed by her mother's incarceration in a psychiatric hospital.
她的母親被關在精神病院，這給她的童年蒙上了陰影。
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VERB
使黯然失色；使相形見絀；使顯得無足輕重
If you are overshadowed by a person or thing, you are less successful, important, or impressive than they are.
例句
Hester is overshadowed by her younger and more attractive sister.
赫斯特在她那年輕而且姿色更勝一籌的妹妹面前黯然失色。
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VERB
（樓房、樹木、大型建筑物等）遮蔽，遮擋
If one building, tree, or large structure overshadows another, it stands near it, is much taller than it, and casts a shadow over it.
例句
He also designed one of the Edinburgh University towers that overshadows George Square...
他還設計了愛丁堡大學一座投影于喬治廣場的塔樓。
She said stations should be in the open, near housing, not overshadowed by trees or walls.
她說車站應該建在住宅區附近的開闊地帶，而不應為樹木或墻壁所遮擋。