retain

/rɪˈteɪn/ (bre, ipa) · /rɪˈteɪn/ (ame, ipa) · /ri-ˈtān/ (ame, mw)

retain — verb

  • retainpresent simple I / you / we / they
  • retainshe / she / it
  • retainedpast simple
  • retaining-ing form

1. To continue to own, hold, or keep something that you already have, especially wh

1.動詞及物B2
釋義

To continue to own, hold, or keep something that you already have, especially when there is a risk of losing it or a reason that might cause you to give it up.

例句

Lotte retained all her grandmother's handwritten letters even after three house moves.

retain + personal possessions

The company retained its original name despite being bought by a larger firm.

同義詞
  • keep

    less formal and more general; used in everyday situations

  • hold on to

    informal phrasal verb; emphasises preventing loss

  • maintain

    focuses on keeping something at the same level or condition

反義詞
  • lose

    to no longer have something you once possessed

  • give up

    to intentionally stop having something

文法句型

retain + noun phrase (possession/right/property)

用法筆記

Often used with nouns like 'right', 'ownership', 'control', 'dignity', 'independence', or 'reputation' — things that can be lost or taken away. More formal than 'keep'.

常見錯誤

I retained a new phone from the store.
I bought a new phone from the store.
💡'Retain' means to continue having something you already own, not to acquire something new.

2. Describes a material's ability to keep heat, liquid, or flavour inside itself wi

2.動詞及物B2
釋義

Describes a material's ability to keep heat, liquid, or flavour inside itself without letting it leak or disappear.

例句

A thick woollen jumper retains body heat far better than a thin cotton shirt.

retain + heat (materials comparison)

Clay soil retains moisture much longer than sandy soil during a dry spell.

同義詞
  • hold

    simpler and more common; less specific to materials

  • keep in

    phrasal verb; emphasises preventing escape, e.g. 'keep in heat'

反義詞
  • release

    to let something escape, e.g. 'release heat'

  • lose

    commonly used with heat or moisture: 'lose heat'

文法句型

retain + heat / moisture / water / flavour

用法筆記

Subject is usually a type of material, fabric, container, or surface. Object is typically a physical property such as heat, moisture, water, aroma, or flavour.

常見錯誤

The paper towel retained all the water after I used it.
The paper towel absorbed all the water.
💡'Absorb' is for taking liquid in; 'retain' is for holding liquid that is already inside.

3. To pay a sum of money in advance to a lawyer, solicitor, or law firm so that the

3.動詞及物C1
釋義

To pay a sum of money in advance to a lawyer, solicitor, or law firm so that they are available to give legal advice or represent you when needed.

例句

The Hernandez family retained a lawyer to handle their immigration case.

Before launching the lawsuit, Esteban retained a defamation specialist.

retain + legal expert

同義詞
  • engage

    formal synonym that works for lawyers and other professionals

  • hire

    more general; less formal; can be used for lawyers too but lacks the 'advance payment' nuance

反義詞
  • dismiss

    to stop using the services of a lawyer

  • fire

    informal; to end someone's employment or services

文法句型

retain + legal professional / law firm

用法筆記

Restricted to legal and professional contexts. The advance payment is called a 'retainer'. Do not use this sense for hiring other types of professionals — use 'hire' or 'engage' instead.

常見錯誤

I retained a plumber to fix the leak.
I hired a plumber to fix the leak.
💡This sense of 'retain' is specifically for lawyers and legal professionals, not for general tradespeople or service providers.

4. To keep information, facts, or memories in your mind for a period of time rather

4.動詞及物C1
釋義

To keep information, facts, or memories in your mind for a period of time rather than forgetting them.

例句

Elderly patients sometimes struggle to retain new information after major surgery.

retain + information

Tariro found it difficult to retain all the vocabulary for her Japanese exam.

同義詞
  • remember

    more common in everyday speech; less emphasis on holding over time

  • memorise

    suggests an active effort to commit something to memory

  • keep in mind

    less formal; suggests remembering to consider something

反義詞
  • forget

    to no longer have something in your memory

文法句型

retain + information / facts / details / knowledge

用法筆記

Used especially in educational or cognitive contexts. Stronger than 'remember' — it implies not just recalling but holding the information over time. Object is usually abstract: 'information', 'facts', 'details', 'knowledge', 'what someone learned'.

常見錯誤

I retained that today is Wednesday.
I remembered that today is Wednesday.
💡'Retain' is for sustained knowledge over time, not for recalling simple routine information.

5. To continue to have a particular position, job, title, or physical feature, espe

5.動詞及物C1
釋義

To continue to have a particular position, job, title, or physical feature, especially when change or loss is expected.

例句

The old theatre retained its original Art Deco ceiling after the renovation.

retain + architectural feature

Jude retained his position as team captain despite the poor season results.

同義詞
  • keep

    simpler and more general; 'retain' is more formal

  • hold on to

    informal; emphasises effort against pressure to change

  • preserve

    used for features, qualities, or buildings; suggests active protection

反義詞
  • lose

    to no longer have a position or feature

  • give up

    to intentionally stop having or doing something

文法句型

retain + position / title / feature / character

用法筆記

Often used in passive constructions ('the building was retained as a museum') or with abstract qualities ('retain its charm, character, appeal'). The focus is on resisting change.

常見錯誤

The company retained a new marketing manager.
The company hired a new marketing manager.
💡'Retain' means to keep someone who is already in position, not to bring in someone new.