上有老， 下有小。

There are old and young at home.

《新英汉大辞典》

科学家发现海豚脂下有小泡泡帮助自己搁浅。

Scientists have found tiny bubbles beneath the blubber of dolphins that have beached themselves.

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对于那些上有老，下有小的中年夫妇来说，年迈的父母和年轻的孩子无疑会影响他们的两性关系。

Aging parents and young children, for those in the sandwich generation years, can certainly interfere with feeling a sense of satisfaction with the relationship.

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