这是一种夸张修辞，字面意思是“不属于这个世界的”。它暗示某种事物的品质、味道或体验极其出色，甚至超越了地球上平凡事物的范畴，常用于赞美食物、表演或景色。

• The steak at that new restaurant is simply out of this world! ^{那家新餐厅的牛排简直是人间美味！}
• The view from the top of the mountain was out of this world. ^{从山顶看下去的景色真是绝妙至极。}
• Her performance in the musical was out of this world; she deserves an award. ^{她在音乐剧中的表现太出色了，理应获奖。}