碍口 Traditional form: 礙口 Pinyin (reading): àikǒu Definitions: to shy to speak out tongue-tied to hesitate too embarrassing for words Characters: 碍 - to block, to deter, to hinder, to obstruct 口 - mouth; entrance, gate, opening Traditional characters: 礙 - to block, to deter, to hinder, to obstruct 口 - mouth; entrance, gate, opening