祝你生日快乐!

　　May I wish you many happy returns of the day.

　　谨祝您生日快乐!

　　Here is a present for you.

　　这是给您的礼物。

　　I'd like to present this book to you.

　　我想把这本书送给你。

　　I bought an album for you.

　　我给你买了一本影集。

　　I don't know how to thank you for your gift.

　　你送我礼物，真不知道该怎么谢你。

　　It's very kind of you.

　　您真好!