Note: This idiom can also be expressed as "has its sights set on", "has her sights set on", "have their sights set on", and so on. Origin: Metaphorical, and related to the fact that a person using a gun looks through the gun's sights in order to aim, and will have his sights set on the target before shooting at it. https://www.englishclub.com/ref/Idioms/ -- https://www.youtube.com/c/%E5%85%AC%E8%A6%96%E5%8F%B0%E8%AA%9E%E5%8F%B0/videos --

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