血肉相连

Explanation: The same as flesh and blood contact with each other. Compared very closely, can not be separated. 　　Usage: The main predicate; as predicate, object, attribute; with compliment 　　Source: Mai Song "lightning king four" trend, as the hundred and the money is in their Xiexia the skin, and flesh and blood. " 　　Examples: The relationship between you and the party can not be not so closely related, ~ Oh. ★ Wen Jie, "Busha hot, I want to sing you a song" Thesaurus:  related as closely as each breath is to the next, share weal and woe, be bone of one's bones and flesh of one's flesh, blood vessel in which the blood and qi circulate, Flesh and blood associated Antonym Group:  innocuity, Was not involved with