"殘酷的天使"是一首歌曲的標題，並沒有特指某首特定的歌曲。以下是可能的英文歌詞：
Verse 1:
Wings of white, in the sky,
Scream in pain, a lost child.
Angels without, no home,
How could they, feel the cold?
Chorus:
Cruelty, in their eyes,
Fear and pain, fill their skies.
The world we live in,
Takes their innocence, leaves a scar.
Verse 2:
They smile, while crying inside,
Broken wings, trying to fly.
Beautiful, yet so sad,
All because, of what we did.
Chorus:
Cruelty, in their eyes,
Fear and pain, fill their skies.
The world we live in,
Takes their innocence, leaves a scar.
Bridge:
Somewhere deep inside, we all have a spark,
Let's hope it burns brighter than the darkness they've been through.
For the ones who can't fly anymore, let's create a safe place,
A world without pain, and where they can be free.
Chorus:
Cruelty, no more please,
Give them back, their lost innocence.
We all can make a change, let's start today,
For the cruelty we've caused, let's make a better world.
以上是一個大致的填詞，並非特指某一首歌。如果需要特定歌曲的填詞，請提供更多的信息。