惆怅相思迟暮
[chóu chàng xiāng sī chí mù]
"Melancholy misses late twilight". '惆怅'(chou chàng) is a state of mind indicating melancholy or pensiveness; '相思'(xiāng sī) indicates missing someone. It implies missing or feeling regret at twilight when it's about to get dark, creating an atmosphere of loneliness or reminiscence for those missed moments.