verb / verb-object compound HSK 2
Traditional 開門
kāi mén
to open the door · to open for business · to answer the door

Meaning

开门 is a common verb-object compound combining 开 (to open) and 门 (door). It literally means 'to open a door' but also has extended meanings including opening for business or answering when someone knocks. This is one of the most basic action phrases in Mandarin, used daily in both literal and figurative contexts.

Usage

Native speakers use 开门 in everyday situations when physically opening doors, but also idiomatically for stores opening for business (商店开门了). The opposite action is 关门 (to close the door). It can be a polite request (请开门) or a statement of fact. In business contexts, 开门 often refers to the start of business hours.

Examples

  1. 01
    请帮我开门,我手里拿着东西。
    Qǐng bāng kāi mén, shǒu zhe dōngxi.
    Please open the door for me, my hands are full.
  2. 02
    这家餐厅早上九点开门
    Zhè jiā cānting zǎoshang jiǔ diǎn kāi mén.
    This restaurant opens at 9 AM.

Characters

Common collocations

  • 开门见山
    kāi mén jiàn shān
    to get straight to the point (idiom)
  • 开门营业
    kāi mén yíng
    to open for business
  • 把门开开
    mén kāi kāi
    open the door (using 把 construction)
  • 开门时间
    kāi mén shí jiān
    opening hours

Antonyms

Origin

This is a straightforward verb-object construction with no special etymology. The combination of 开 and 门 creates a natural compound that has been used for centuries in Chinese.

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