少不更事

Explanation: Less: Young; more: experience. Young, not experienced anything. Refers to the little experience. 　　Usage: The main predicate; as predicate, object, attribute; containing derogatory 　　Source: "Book of Jin Zhou pleasurable Biography": "Jun Young did not even matter." 　　Examples: Mother that the couple Ru ~. (Qing Pu "Strange Green-e") Thesaurus:  at the beginning of one's casees, begin to show ability or talent, smell of the baby, Dan ran Ignored, not seek fame and wealth, moderate, Filoplume Not Feng, Fledgling, Little things without, New Officer take up an appointment, First test of new whetstone, See the world Not deep Antonym Group:  There is safety in numbers., well-trained army with strong soldiers and study horses, Wealthy and strong country, (literally) strong armors and crack troops--combat ready, strong and powerful, Strengthening the Military strong contingent, sing and dance to extol the good times, picked troops valiant general, become full-fledged, Wings Has become