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были свои причины

had their own reasons

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phrase Rare #34,603
had their own reasons The person or group whose reasons they were is understood from context.
RU: У них были свои причины не приходить.
EN: They had their own reasons for not coming.

У нас были свои причины.

We had our reasons.

Я уверен, у Тома были свои причины.

I'm sure Tom had his reasons.

Я уверена, у Тома были свои причины.

I'm sure Tom had his reasons.