opened

• 这是动词“open”的过去式或过去分词形式，本身并不是形容词；用作形容词时应使用“open”（开着的）。

This is the past tense or past participle form of the verb 'open', not an adjective. As an adjective, 'open' is used.

1. Used of mouth or eyesA2formal

   Describing a mouth or eyes that are not closed; wide or slightly open.

   张开的

   • She stared at him with opened eyes full of surprise.
   • His opened mouth showed his shock at the news.
   • The baby's opened eyes looked around the room curiously.

   同义词agapeopenparted

   反义词closedshut

2. Made open or clearA2formal

   Describing something that has been made accessible, unobstructed, or ready for use.

   打开的

   • The opened door let in a cool breeze.
   • The opened window allowed fresh air to circulate.
   • The opened gate led to a beautiful garden.

   同义词accessibleclearunbarredunlockedunsealed

   反义词barredblockedclosedshut

3. Not sealed or having been unsealedB1formal

   Describing an item that has had its seal broken or has been unsealed.

   打开的

   • The opened envelope contained a letter from her friend.
   • He found an opened bottle of wine on the table.
   • The opened package revealed a gift inside.

   同义词openunsealed

   反义词sealedunopened

• 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