The idiom "first hand" originated from the literal meaning of the words. It describes experiencing something directly, without any intermediary or second-party involvement. It is used to emphasize that information or an experience is obtained directly, without any intermediaries or intermediation. It signifies a direct and unmediated connection to the subject matter.

What is the origin of the idiom "first hand" and when to use it?

“first hand”的英语定义和含义

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