守身如玉

Explanation: To maintain moral integrity, as white as jade flawless. It also refers to care for their bodies. 　　Usage: The main predicate; as predicate, attributive; with a compliment 　　Source: Qing Xia's "Ye Sou Pu Yan," 14 back: "baby Shoushenruyu Qiken fall into the mud!" 　　Examples: But out of ten, must always have one or two - and always unwavering. (Qing Liu E "Travels," the second time) Thesaurus:  Keep oneself flawless Ruo Yu