休戚与共

Explanation: Worry about joy, happiness or misery of mutual commitment. Describe the close interest the same. 　　Usage: The main predicate; as predicate, attributive; with a compliment 　　Source: "Jin Shu Wang Dao Chuan 'I and the regulatory element is the same joys and sorrows, long talk, should never wise mouth. " 　　Examples: We are - a good student. Thesaurus:  related as closely as each breath is to the next, be bone of one's bones and flesh of one's flesh, as close as flesh and blood; be linked by flesh-and-blood ties, blood vessel in which the blood and qi circulate, Flesh and blood associated Antonym Group:  innocuity, Was not involved with