act

• 名词，指行为、举动或具体所做之事；也指戏剧或表演中的一幕。

A noun referring to a deed, action, or specific thing done; also a division of a play or performance.

1. A2formal

   Something done; a deed or action.

   行为

   • It was a kind act of generosity.
   • His act of bravery saved the child.
   • Every small act of kindness counts.

   同义词actiondeedendeavorexploitfeatmoveoperationperformanceundertaking

   反义词cessationidlenessinactioninactivityrest

2. Law or StatuteB2formal

   A written law passed by a legislative body.

   法律

   • The new act was passed by Congress.
   • The Civil Rights Act changed history.
   • They are debating the privacy act in parliament.

   同义词decreeenactmentlawlegislationmeasureordinancestatute

3. Performance in TheaterB1formal

   A single segment of a play or performance.

   幕

   • The first act of the play was captivating.
   • The final act brought the story to a climax.
   • It's a three-act comedy.

   同义词divisionpartsectionsegment

4. Pretend BehaviorB1informal

   A pretense or false display.

   假装

   • His apology was just an act.
   • She put on an act to impress the guests.
   • Don't buy his innocent act.

   同义词affectationcharadedisplaydissimulationfacadefeigningfrontmasqueradeperformanceposepretensesemblanceshamshowsimulation

   反义词genuinenesshonestyrealitysinceritytruth

• 动词，表示采取行动、以某种方式表现，或在戏剧、电影中扮演角色。

A verb used to indicate performing an action, behaving in a particular way, or performing in a play or film.

1. Perform an actionA1formal

   To do something; to take action or behave in a particular way.

   行动

   • You must act quickly to solve the problem.
   • She acted bravely during the emergency.
   • He acted responsibly by reporting the issue.

   同义词behavedofunctionoperateperformproceedwork

   反义词desisthesitateidlepauseprocrastinaterefrainstallwait

2. Perform in a play or filmA2formal

   To perform a role in a play, movie, or other performance.

   表演

   • She acts in Hollywood movies.
   • He acted as the villain in the school play.
   • They acted out the scene perfectly.

   同义词appearenactperformplayportraystar

3. Function or operateB1formal

   To work or function in a particular way.

   运作

   • The medicine acts quickly to relieve pain.
   • The brakes didn't act properly.
   • This chemical acts as a preservative.

   同义词functionoperateperformservework

短语动词变体act asact onact outact upact upon