free

• 指不受他人控制或约束；不需要付费的；可以不受限制地使用的。

Describes something that is not under the control of another; not costing anything; available without restriction.

1. Not costing moneyA1formal

   Available without payment; costing nothing.

   免费

   • The museum offers free admission on Sundays.
   • She received a free sample of the new perfume.
   • The app is free to download.

   同义词complimentarycostlessfree of chargegratis

   反义词chargeablecostlyexpensivepaid

2. Not imprisoned or confinedA2formal

   Having personal liberty; not under the control of another.

   自由的

   • The prisoner was set free after ten years.
   • Birds are free to fly wherever they want.
   • In a democracy, citizens are free to express their opinions.

   同义词liberatedlooseunchainedunconfinedunfettereduntied

   反义词boundcaptiveconfinedimprisonedjailedrestrainedsubjugated

3. Not occupied or busyA2formal

   Available to be used or spent; not engaged in an activity.

   有空的

   • Are you free for lunch tomorrow?
   • I have a free hour between meetings.
   • The bathroom is free now.

   同义词at leisureavailableidleunoccupied

   反义词busyengagedoccupiedtakenunavailable

4. Without restrictionsB1formal

   Not limited or controlled; unrestricted.

   自由的

   • You are free to choose any topic for your essay.
   • The internet allows for free exchange of ideas.
   • She felt free to speak her mind.

   同义词independentlooseunbounduncheckedunconstrainedunfetteredunlimitedunrestrainedunrestricted

   反义词boundcaptiveconfinedconstrainedcontrolledimprisonedlimitedrestrictedshackled

• 副词，表示“免费地”或“自由地、无拘束地”。用于描述不花钱、不受限制或不受约束地进行的动作。

An adverb meaning "without cost or payment" or "in a free manner." It is used to describe actions performed without restriction or expense.

1. Without costA1formal

   Without having to pay; at no charge.

   免费

   • Children under five travel free on the bus.
   • The samples are given away free at the store.
   • You can download the app free of charge.

   同义词for freefree of chargegratis

2. Without restrictionA2formal

   In a way that is not confined or restricted.

   自由地

   • The animals were allowed to roam free in the sanctuary.
   • The prisoner was set free after serving his sentence.
   • The kite flew free in the open sky.

   同义词freelylooselyopenlyunrestrainedly

• 名词，表示自由、不受限制或不受他人控制的状态；常用于独立、免费或可获取的语境中。

A noun referring to the state of being free, unrestricted, or not under the control of another; often used in contexts of liberty, costlessness, or availability.

不可数

1. Without costA1informal

   Something that is given or available without payment.

   免费

   • The samples are free for everyone.
   • You can get a free drink with your meal.
   • The concert was free to the public.

   同义词complimentarycostlessfree of chargegratis

2. Not imprisoned or confinedA2formal

   A state of being released from captivity or restrictions.

   自由的

   • The prisoner was set free after ten years.
   • The bird flew free from its cage.
   • They fought for a free and independent nation.

   同义词liberatedunchainedunconfinedunconstrainedunfetteredunrestricted

   反义词captiveconfinedimprisonedjailedrestrained

• 动词，表示将某人或某物从拘禁、束缚、义务或限制中解放出来，使其获得自由。

A verb used to indicate the act of releasing someone or something from captivity, confinement, or obligation.

1. Release from captivityB1formal

   To set someone or something free from confinement, imprisonment, or restraint.

   释放

   • The activists worked to free the political prisoners.
   • The zookeepers freed the injured bird after it recovered.
   • The judge ordered the court to free the suspect due to lack of evidence.

   同义词deliverdischargeemancipatelet goliberatereleaserescueset freeunbindunchainunleash

   反义词captivatecaptureconfinedetainenslaveimprisonincarceratejailrestrainshackle

2. Remove obstacles or constraintsB2formal

   To make something available or accessible by removing restrictions or blockages.

   解放

   • The plumber freed the clogged drain with a special tool.
   • She freed up some space on her hard drive by deleting old files.
   • The new policy freed businesses from excessive regulations.

   同义词cleardisencumberliberateopenreleaseunblockunclogunloose

   反义词blockconstrainhamperimpedelimitobstructrestrict

3. Relieve from obligationB2formal

   To release someone from a duty, responsibility, or burden.

   解除义务

   • The manager freed him from his duties for the day.
   • The scholarship freed her from the financial burden of tuition.
   • He was freed from his promise after the circumstances changed.

   同义词absolvedischargeexcuseexemptlet offreleaserelievespare

   反义词bindburdencommitconstrainobligate