缠绵悱恻

Explanation: Difficult to resolve old describe their pain. The article also refers to mildly sad feelings. 　　Usage: Joint type; as predicate, attributive, adverbial; describe very sad and can not vent 　　Source: Jin Pan "widow Fu": "Si Xi lingering chaos to dim, sad sad heart to destroy the injury." 　　Examples: He is a loyal, and that is a loyal ~. (Qing "classic talk often Fu") Thesaurus:  affected by sorrow linger, linger heartrending