天悬地隔

Explanation: Suspended, separated: distance. Metaphor varies greatly. 　　Usage: Joint type; as the predicate attribute; metaphor varies greatly 　　Source: "Southern Miss Jue Qi Shu Biography": "A person thinking, Chisu days suspended; one of the text, Clumsy soil compartment." 　　Examples: Barbara ran out of the belly of a Mother of two people so ~. (Qing Cao Xueqin's "Dream of Red Mansions," the fifty-fifth back) Thesaurus:  Poles apart