From
李清照《
声声慢·
寻寻觅觅》(Li Qingzhao, Southern Song):
寻寻觅觅,
冷冷清清,
凄凄惨惨戚戚。
乍暖还寒时候,
最难将息 (Seeking, searching; cold, lonely; miserable, wretched, grieving. A time that warms then chills again — hardest to rest in). Written in her widowed exile after the Jurchen invasion; the opening fourteen doubled characters
寻寻觅觅...
戚戚 is one of the most celebrated technical feats in Chinese ci.