The origin of the idiom "out of one's system" is not definitively documented, but it is believed to have originated in colloquial English during the 19th or early 20th century. The phrase draws on the idea of removing or expelling something from within oneself, akin to purging or releasing it. It is commonly used in situations where individuals feel a strong urge to let something out or alleviate an inner tension. This could include venting emotions through crying, shouting, or talking, or engaging in activities to satisfy a particular curiosity or desire.

What is the origin of the idiom "out of one's system" and when to use it?

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out of {one's} [system]

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英語での「out of one's system 」の定義と意味

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