我在墙外等红杏
[wŏ zài qiáng wài dĕng hóng xìng]
'Waiting for a red apricot flower blossoming out over the wall', implies waiting for or anticipating an eagerly expected event or opportunity (a romantic relationship) in Chinese literature. The metaphor alludes indirectly and poetically to extramarital love interests but also generally signifies yearning for something beyond one's grasp.