"key it on my destiny" 是歌曲 "Forever Love" 中的一句歌詞。完整的歌詞是：
key it on my destiny,
Now that the sun is in my eyes,
Taking control of my feelings,
Can't wait to live the day again.
所以，"key it on my destiny"的完整歌詞是：
"Key it on my destiny."
希望這個答案對你有所幫助！