打哑语 Traditional form: 打啞語 Pinyin (reading): dǎyǎyǔ Definitions: to use sign language Characters: 打 - to attack, to beat, to hit, to strike 哑 - dumb, mute, hoarse 语 - words, language; saying, expression Traditional characters: 打 - to attack, to beat, to hit, to strike 啞 - dumb, mute, hoarse 語 - words, language; saying, expression