to tell someone our name so they can know us, or to tell them someone else's name so they can know each other, normally happening in the first meeting

介绍, 引见
a word we say when we see someone and want to greet them, or when we begin to talk on the phone

你好, 哈喽
a word we say when we are leaving someone or when they are leaving, or at the end of a phone call

再见!祝你有美好的一天!, 拜拜!祝你一切顺利!
something we say when we want to greet or say hello to someone in the morning

早上好, 上午好
said when someone helps us or does something nice for us

谢谢!, 感谢!
something we say to someone to show we are grateful to them for something that they have done for us or given us

谢谢 (xiè xiè), 感谢 (gǎn xiè)
something we say when we want to say hello or goodbye to a person in the afternoon

下午好, 午安
something we say when we want to say hello or goodbye to a person in the evening

晚上好, 晚安
something that a person spends time doing, particularly to accomplish a certain purpose

活动, 行为
something we say, write, or do when we are replying to a question

答案, 回答
to use words in a question form or tone to get answers from someone

询问, 请求
a sentence, phrase, or word, used to ask for information or to test someone’s knowledge

问题, 疑问
to ask someone questions about a particular topic on the TV, radio, or for a newspaper

采访, 面试
