| 碍 | ài | to hinder; to obstruct; to block |
| 碍事 | ài shì | (usu used in the negative) to be of importance or to matter; to be in the way; to be a hindrance |
| 碍口 | ài kǒu | to shy to speak out; tongue-tied; to hesitate; too embarrassing for words |
| 碍口识羞 | ài kǒu shí xiū | tongue-tied for fear of embarrassment (idiom) |
| 碍手碍脚 | ài shǒu ài jiǎo | to be in the way; to be a hindrance |
| 碍眼 | ài yǎn | to be offending to the eye; an eye-sore; in the way |
| 碍难 | ài nán | inconvenient; difficult for some reason; to find sth embarrassing |
| 碍难从命 | ài nán cōng mìng | difficult to obey orders (idiom); much to my embarrassment, I am unable to comply |
| 碍面子 | ài miàn zi | (not do sth) for fear of offending sb |