Definition
Used to express gratitude to someone for their help, implying a future reciprocation of the favor.
我欠你人情（以表感謝）
It was so wonderful of you to watch my children; I owe you one.
你幫我照顧孩子真是太棒了；我欠你一次。
Thank you for helping me move. I owe you one; let me know if you need any help next time.
謝謝你幫我搬家。我欠你一次；下次需要幫忙時告訴我。
I really appreciate your support; I owe you one and hope I can find an opportunity to repay you in the future.
非常感謝你的支持；我欠你一次，希望能找到機會報答你。