四角3 - 第 9 单元 B 课

to fail to recognize a person or thing properly by assuming that they are another person or thing

混淆

causing a person to feel ashamed or uneasy

embarrassing

something that a person says or writes that shows they regret what they did to someone

道歉

to feel upset and nervous because we think about bad things that might happen to us or our problems

担心

someone who is licensed to fix and care for our teeth

牙医

a planned meeting with someone, typically at a particular time and place, for a particular purpose

约会