She sang a sad song.

她唱着悲伤的歌。

Take a sad song and make it better.

找一首哀伤的歌，把它唱得更快乐。

It is a sad song but still hopeful.

这支悲伤的歌仍然充满了希望。

Deep in the night listening to a sad song.

在佷深旳夜里听著（悲伤）旳歌。

Never smiles, Never grows, Sad song of fate.

永不会笑, 永不成长, 唱着命运的哀歌.

One day, he hears someone singing a sad song.

有一天，他听到有人哼着一首悲伤的歌。

Ignorant are composing lonely and the sad song.

无知的谱写着寂寞而悲伤的歌。

Dirge: a slow sad song sung over a dead person.

挽歌：为死去的人唱的一种缓慢、悲哀的歌。

Sad song, a sad song, to sing when you're alone. In its way, a glad song; yes, a glad song.

一首悲伤的歌，当你独自一人时哼唱；因此变成一首欢乐的歌，没错，一首欢乐的歌。

The wolf took a red violin and started playing a sad, sad song.

狼拿了一把红色的小提琴演奏了一曲悲伤的歌。