好样儿的 (hǎo yàngr de) is a colloquial phrase used to praise someone for doing something worthy of admiration — it means 'fine example' or 'great fellow'. You typically say it directly to the person: '你真是好样儿的!' ('You are really something!'). It is not used for things, only people, and carries a warm, approving tone. Note that the pinyin field in this row is incomplete: the full pronunciation is 'hǎo yàngr de', with a retroflex erhua on 样.