懂局 Traditional form: 懂局 Pinyin (reading): dǒngjú Definitions: to know the business to know the ropes in the know to know one's onions professional au fait Characters: 懂 - to understand, to know 局 - bureau, office; circumstance, game, situation Traditional characters: 懂 - to understand, to know 局 - bureau, office; circumstance, game, situation