彼此彼此

Explanation: Refers to the comparison between the two almost 　　Usage: Joint type; as predicate; that almost two, commonly used in the courtesy 　　Source: Qing Guo Xiaoting "Biography of Chi Kung" is said the first two at the second, then come in Chi Kung. Members raised their hands outside quickly Bao Quan Zhou said, 'holy man a long absence. 'The monk said,' to each other each other. '" 　　Examples: We each other each other, no difference. Thesaurus:  both of a hair