"Birthday Cake"的中英文歌詞如下：
(英文歌詞)
Oh, it's your birthday
Today is your day
You get to celebrate
With a birthday cake
(中文歌詞)
噢，今天是你生日
今天屬於你
你可以盡情地慶祝
來一塊生日蛋糕
第一小節：
Happy birthday to you
Happy birthday to you
祝你生日快樂
祝你生日快樂
合唱：
With candles to blow
With friends to share the joy
With wishes that come true
Today is your day
第二小節：
And on this special day
You'll feel like a kid again
You'll feel young and free
When you blow out the candles
合唱：
Happy birthday to you
Happy birthday to you
祝你生日快樂
祝你生日快樂
Happy birthday, dear one
You've worked hard for all of it.
Happy days ahead, here's hoping,
To live it in the blink of an eye.
重複第一小節和合唱部分最後一句。
結束：再一次祝你生日快樂，讓我們期待新的一歲，記住這特別的一天，直到我們下次慶祝的時刻。
以上是基本的中英文歌詞，你可以根據實際需要添加一些調整或者改動。