お子さん

In a sentence

• お子さんは何歳ですか？

  How old is your child?

  In this sentence, 'お子さん' is used politely to refer to someone's child during a formal or respectful conversation.

• お子さんが学校で楽しく過ごしていると聞きました。

  I heard that your child is enjoying school.

  Here, 'お子さん' is respectfully referencing another person's child, showing politeness in the social context of the conversation.

• お子さんたちは公園で遊んでいますか？

  Are your children playing in the park?

  In this example, 'お子さん' refers to multiple children respectfully, commonly used when addressing families with more than one child.