刁钻古怪

Explanation: Tricky: cunning. Describe the cunning man to act eccentric, eccentric, but also to describe clever and well-behaved 　　Usage: Joint type; as predicate, attributive; refers to the person's character 　　Source: Ming Wu Cheng-en, "Journey to the West": "another brand of paint hanging from a pink child, a written 'cunning', a written 'odd tricky'." 　　Examples: You see the ancients, there are those - a very dangerous subject, and that rhyme? (Qing Cao Xueqin, "Dream of Red Mansions" 37th back) Thesaurus:  be [look] a perfect sight