Translation

• to open a door (lit. and fig.)
• to open for business

Examples

• 请开门。
  Open the door, please.
• 我开门的时候把门柄扭了出来。
  I tried to open the door, and the doorknob came off.
• 给爱情开门！
  Open the door for love.
• 什么时候开门？
  What time does it open?
• 芝麻开门！
  Open Sesame!
• 这家店8店开门。
  This store is opened at eight.
• Bill，开门。
  Bill, open the door.