任其自然

Explanation: Ren: let; its: pronouns, he, it. Allow the natural development of people or things. 　　Usage: Joint type; as predicate; used to things or people's attitudes 　　Source: Sung well, "popular report pox sores in children": the "big dirty gas in solid addition, he served as its natural ears." 　　Examples: With the start if, after what can be - a. (Tao, "end") Thesaurus:  step by step, drift, Allowed By the, to tolerate evil is to abet it, Allowed be left to take its own course, screen connivance Antonym Group:  Jiehexufu, pull up the rice shoots with the intention of helping them to grow; try to help the shoots grow by pulling them upward, to put up the seedling hoping to make it grow faster., try to shorten the neck of a crane and leugthen that of an owl, More haste, less speed.