open

• 形容未被关闭、可进入或可使用的事物，也表示乐意接受、思想开明或愿意接纳。

Describes something that is not closed, allowing access, or willing to receive or accept.

1. Not closedA1formal

   Not shut or closed; allowing access or passage.

   开着的

   • The door is open; please come in.
   • The shop is open until 9 PM.
   • She left the window open for fresh air.

   同义词accessibleajarpassableunbarredunlockedunobstructedunsealed

   反义词barredclosedsealedshut

2. Honest and transparentB1formal

   Willing to talk about feelings or thoughts; frank.

   坦诚的

   • He was very open about his feelings.
   • She has an open and friendly personality.
   • They had an open discussion about the problem.

   同义词candidcommunicativedirectforthrightfrankhonestsincerestraightforwardtransparent

   反义词guardedinscrutablereservedsecretive

3. Available for useA2formal

   Accessible or ready for business or participation.

   开放的

   • The position is open for applications.
   • The museum is open to the public on weekends.
   • The invitation is open to everyone.

   同义词accessibleavailablefunctioningoperativereadyunrestricted

   反义词closedshutunavailable

4. Not restrictedB2informal

   Without limitations or reservations.

   不受限制的

   • The competition is open to all ages.
   • Keep an open mind about new ideas.
   • The event has an open bar for guests.

   同义词accessiblefreepublicunconstrainedunimpededunlimitedunreservedunrestricted

   反义词closedlimitednarrowrestricted

• 表示打开某物、提供通道或访问权、或开始某事的动词。

A verb used to indicate the act of causing something to become open or accessible, or to begin something.

1. Unclose or unlockA1formal

   To move a door, window, lid, etc., so that it is no longer closed or covering something.

   打开

   • Please open the window; it's hot in here.
   • She opened the door and invited us in.
   • He opened the box to see what was inside.

   同义词unbarunboltunfastenunlock

   反义词closelocksealshut

2. Start or beginA2formal

   To begin operating, trading, or functioning.

   开业

   • The store opens at 9 AM every day.
   • The new school opens next month.
   • They opened the meeting with a welcome speech.

   同义词begincommenceinauguratelaunchstart

3. Unfold or revealB1formal

   To unfold, spread out, or reveal something that was closed or hidden.

   打开

   • Open the map so we can find the route.
   • She opened her heart and shared her feelings.
   • The detective opened the case file.

   同义词discloseexposerevealspread outuncoverunfoldunfurlunveil

   反义词closeconcealhidesealshut

短语动词变体open up