～うちに

About

～うちに means "while", "during", or "before (something ends/a chance is gone/etc.)" and is used in sentences where there is an opportunity to be taken advantage of, or where two actions (or X action and Y state) happen simultaneously.

E.g. 温あたたかいうちに召めし上あがってください。 "Please eat it while it's warm."

E.g. お母かあさんが寝ねているうちに、ゲームをやろう！ "Let's play games while mom's sleeping!"

Summary

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  ～うちに means "while", "during", or "before"

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  ～うちに is used to indicate opportunities or express that one action happens during another (action or state)