大道理 Traditional form: 大道理 Pinyin (reading): dàdàoli Definitions: major principle general truth sermon (reproof) bombastic talk Characters: 大 - big, great, vast, high, deep 道 - method, way; path, road 理 - science, reason, logic; to manage Traditional characters: 大 - big, great, vast, high, deep 道 - method, way; path, road 理 - science, reason, logic; to manage