登记

You will mostly use 登记 as a verb, but it often needs a little help from friends. You might say 办理登记 (bànlǐ dēngjì), which means 'to handle the registration process.' It is very common at front desks. If you are at an airport, you will see 登记处 (dēngjì chù), the registration desk. You do not just 'do' 登记; you 'undergo' it. It is a formal action. If you are checking into a hotel, you will 登记入住. If you are joining a marathon, you 登记参加. It is the first step of almost any official journey. Just remember, it usually involves a pen, a keyboard, or a QR code.

Imagine you just landed in Shanghai. You are tired. You walk to the hotel desk. The clerk says, '请在这里登记一下' (Please register here). You write your name. Boom, you are 登记-ed. Or maybe you are at a fancy wedding. There is a beautiful book at the door. You 登记 your name to show you were there. On a more serious note, if you are moving to a new apartment, you have to 登记 your address with the local office. Even online, when a website asks for your real-name verification, you are doing a form of 登记. It is the bread and butter of organized society. If it is not recorded, did it even happen? Probably not in a 登记 world!

Use this phrase when the context is official or administrative. It is perfect for hotels, hospitals, and government offices. Use it when you are talking about legal records. If you are getting married in China, you go to the Civil Affairs Bureau for 婚姻登记 (marriage registration). Use it when you are at an event with a guest list. It is the correct word for 'signing in' at a professional seminar. It is also the word for registering property or a new car. Basically, if there is a 'system' involved and your name needs to be in it, 登记 is your best friend. It sounds organized and responsible.

Do not use 登记 for casual things. You do not 登记 to meet a friend at a café. That is just 见面 (jiànmiàn). You do not 登记 to buy a bubble tea. That is just 买 (mǎi). Also, be careful with school classes. For signing up for a course, 报名 (bàomíng) is better. 登记 is too 'database-heavy' for a fun hobby. If you are just 'signing' a card, use 签名 (qiānmíng). 登记 implies you are being added to a list that someone will check later. If there is no list, there is no 登记. Do not use it for 'logging in' to Instagram either; that is 登录 (dēnglù). It sounds similar, but one is a record, and one is an entry.

Using 登记 for waiting for a friend makes it sound like you are tracking them for the government! Avoid that unless you are a secret agent.

For apps and websites, use 注册 (zhùcè). 登记 is usually for physical things or official human records.

Okay, nobody says that, but just making sure you know it is not a food!

If a teacher is just checking names for a quick attendance, 记录 (record) or 点名 (call names) is more natural.

If 登记 feels too formal, you might try 报到 (bàodào). 报到 is what you do on your first day of school or a new job. It is more about 'reporting for duty.' Then there is 注册 (zhùcè), which we mentioned for apps and websites. If you are at a hospital, you will definitely hear 挂号 (guàhào). This is a specific type of 'registration' just for seeing a doctor. You would never 登记 for a doctor's appointment; you 挂号. It is like a specialized version of our phrase. Finally, 签名 (qiānmíng) is just the act of signing your name. 登记 is the whole process; 签名 is just the ink on the page.

You will often see 登记表 (dēngjì biǎo), which is the physical registration form. No one likes filling them out, but they are everywhere! Another one is 预先登记 (yùxiān dēngjì), meaning 'pre-registration.' This is what you do for a big tech conference to skip the lines. Then there is 登记手续 (dēngjì shǒuxù), the 'registration procedures.' This sounds a bit scary, but it just means the steps you take to get on the list. If you are traveling, you will hear 登机 (dēngjī) which sounds almost identical! But that means 'boarding a plane.' Be careful not to try to 登记 a plane unless you are buying it!

Is 登记 the same as checking in? Mostly, yes. For hotels and flights, it is the equivalent of 'check-in.' Can I use it for social media? No, use 注册 for signing up and 登录 for logging in. Is it formal? Yes, it is a neutral-to-formal word. You will see it in newspapers and official documents all the time. Can I 登记 a person? You can 登记 a birth or a marriage, but you cannot 'register' a friend for a party usually—you 报名 them. What is the opposite? Usually 注销 (zhùxiāo), which means to cancel or log out of a registration.