挂齿 Traditional form: 掛齒 Pinyin (reading): guàchǐ Definitions: to mention (e.g. "don't mention it") Characters: 挂 - to suspend, to put up, to hang; suspense 齿 - teeth; gears, cogs; age Traditional characters: 掛 - to suspend, to put up, to hang; suspense 齒 - teeth; gears, cogs; age