光动嘴 Traditional form: 光動嘴 Pinyin (reading): guāngdòngzuǐ Definitions: empty talk mere rhetoric palaver Characters: 光 - light; bright, brilliant; only, merely 动 - to move, to happen; movement, action 嘴 - mouth, lips Traditional characters: 光 - light; bright, brilliant; only, merely 動 - to move, to happen; movement, action 嘴 - mouth, lips