谨以薄礼答谢厚爱，敬请笑纳。

We'd like you to accept this gift in payment for your kindness.

承蒙鼎力相助，不胜感激，谨备薄礼，敬请笑纳。

Please accept this gift in appreciation of all you've done for us.

多蒙鼎力协助，不胜感激，备些薄礼，敬请笑纳！

Please accept this gift in appreciation of all you've done for us!

孔明笑曰：“那里为这些薄礼肯来相谢。”

Kongming smiled and said. "Hardly for the trivial gifts."

如果你收下我的这份薄礼，我将非常高兴。

I would be very much pleased if you would accept the trifling present from me.