谁的等待恰逢花开谁的诺言海誓山盟

This nickname conveys a sense of romantic longing mixed with hope and disappointment. 'Who's waiting coincides with the blossoming flowers' suggests that someone's waiting might eventually be rewarded, while 'who’s promises were grand oaths' implies that some promises are made to last eternally. It reflects on the bittersweet experience of love.