进去

You usually place it after a verb or use it alone as a command. If you see a cool shop, you tell your friend to 进去. If you are carrying boxes, you ask someone to let you 进去. It is like a verbal green light for movement. Just remember: you must be outside the destination to say it.

Use it when you arrive at a restaurant and the table is ready. Use it when your cat is hesitating at the cracked bedroom door. It works perfectly when texting a friend to say you just 'went in' to the cinema. It is the ultimate 'action' word for crossing a threshold. It feels active and purposeful.

Don't use 进去 if you are already inside the room. In that case, you would tell someone to 进来 (come in). Also, avoid using it for abstract concepts like 'entering' a relationship. It is mostly for physical spaces like buildings, cars, or rooms. Using it for a digital login might sound a bit clunky too.

In Chinese culture, hospitality is huge, but so is privacy. You will often hear a host insistently say 快进去 (go in quickly) to show warmth. It removes the awkwardness of standing at the doorstep. Interestingly, in slang, 进去 can sometimes mean 'going to jail.' So, context is everything if you're talking about a police station!

You will often see it paired with other verbs. 走进去 means to walk in. 跑进去 means to run in. If you are frustrated with a key, you might say 插不进去 (can't plug it in). It is a building block for dozens of everyday physical actions.