怀瑾握瑜

Explanation: Pregnant: pregnant possession; grip: hand; Jin, Yu: jade, than Yu Meide. Compared with the pure and noble character of people. 　　Usage: Joint type; as subject, predicate; with compliment, people of high moral character metaphor 　　Source: Chu Qu Yuan's "Songs of the South Nine Chapters Huaisha": "Huai Jin Xi Yu grip, as shown in the poor do not know." Thesaurus:  Huaijin