Here are some beautiful yet sad sentences in English:

1、The raindrops fall gently, yet the heartache remains undiminished.

2、Memories fade with time, but the pain stays etched in my heart.

3、In the darkness of the night, my heart is filled with a profound sense of loss.

4、The world may be full of happiness, but my heart is lost in a sea of sorrow.

5、My heart aches like a broken song, filled with a sense of melancholy and loss.

6、I long for the past, yet I know it can never heal the present's sadness.

7、Sometimes, life hurts so much that the tears won't fall.

8、Each lonely night is an unbearable reminder of our shared past, which I can no longer access.

9、Lost in this sea of pain, I'm alone without your gentle hand to hold.

10、Our hearts, broken like fine porcelain, unable to hold more of this heartbreak.

11、Love was like a gentle wind before the storm - its disappearance, an inevitable pain.

12、The sadness in my heart is like a deep wound that won't heal, even with time's bandage.

Each of these sentences captures a moment of deep sadness and emotional pain, making them perfect for expressing feelings of loss and heartbreak.