Oyó algo sin querer sin que lo supiera quien hablaba.
Heard something by accident without the speaker knowing.
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See how the word “oí por casualidad” is used in sentences
Oí sin querer la conversación en la cafetería. — I overheard the conversation at the coffee shop.
¿Oíste lo que dijeron en la reunión? — Did you overhear what they said during the meeting?
No menciones nada de lo que oí ayer por casualidad, por favor. — Please don't mention anything I overheard yesterday.
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