loosen

IPA/ˈluːsn/
KK[lˈusən]IPA/ˈluːsn/

loosen — 動詞

  • loosenpresent simple I / you / we / they
  • loosenshe / she / it
  • loosenedpast simple
  • loosening-ing form

1. to make something less tight or firmly fixed, or to become less tight on its own

1.動詞及物 / 不及物B1
釋義

鬆開;弄鬆

使原本緊繃的物體變得鬆動

to make something less tight or firmly fixed, or to become less tight on its own — for example, loosening a bolt, a knot, or a person's grip.

例句

The mechanic loosened the old bolt by spraying oil and turning the wrench.

技工噴了潤滑油,然後用扳手把舊螺栓鬆開。

transitive: loosen + concrete object (bolt/screw/nut)

The knot on the child's shoelace loosened as she jumped in the puddles.

小孩鞋帶上的結在她踩水坑時鬆開了。

intransitive: knot/screw/strap loosens on its own

常見搭配
  • loosen a screw/bolt/nut
  • loosen a knot/strap
  • loosen one's grip/hold
  • screw/bolt/nut/knot loosens (intransitive)
同義詞
  • slacken

    more specific to ropes, cables, or tension; less common in everyday speech

  • release

    implies letting go completely rather than just making less tight

  • ease

    suggests a gentle, gradual loosening; often used with 'ease off' or 'ease up'

反義詞
  • tighten

    the direct opposite — to make something tighter or more firmly fixed

  • fasten

    to attach or close something securely

文法句型

loosen + object (bolt, screw, knot, grip)

object + loosens (intransitive)

用法筆記

Frequently used with concrete physical objects (fasteners, knots, straps, grips). The intransitive form describes something coming loose on its own rather than being actively undone.

常見錯誤

I need to loose the screw before taking the wheel off.
I need to loosen the screw before taking the wheel off.
'loose' is an adjective; 'loosen' is the verb for making something less tight.

2. to make an item of clothing, a belt, or your hair less tight or unfastened after

2.動詞及物B1
釋義

放鬆;解開

將衣物或頭髮從繫緊狀態放寬

to make an item of clothing, a belt, or your hair less tight or unfastened after it has been tied, buttoned, or pulled back.

例句

The businesswoman loosened her scarf when she entered the warm office.

這位女商人走進溫暖的辦公室後,把圍巾放鬆了一些。

collocation: loosen + scarf/tie/collar/belt

After the wedding ceremony, the bride loosened her hair and changed into comfortable clothes.

婚禮結束後,新娘將頭髮解開,換上了舒適的衣服。

collocation: loosen + hair/ponytail/braid

常見搭配
  • loosen your tie/collar
  • loosen your belt/waistband
  • loosen your shoelaces/laces
  • loosen your hair/ponytail/braid
  • loosen a scarf/necktie
同義詞
  • undo

    more general — can mean unfastening buttons, zippers, or laces without the 'making less tight' nuance

  • unfasten

    more formal; focuses on the fastener rather than the tightness

  • untie

    specific to things that are tied (laces, ribbons, hair bands)

反義詞
  • tighten

    making clothing or hair more snug or pulled back

  • fasten

    to close or secure clothing or accessories

文法句型

loosen + item of clothing (tie, belt, collar)

loosen + hair/ponytail

用法筆記

Only used transitively. The object is always something you wear or style on your body — clothing, accessories, or hair. Cannot be used intransitively.

常見錯誤

He loosened his hair.' (if the listener thinks he untied someone else's hair).
He loosened his own hair.' or 'He loosened her hair.
clarify the possessive when needed to avoid ambiguity.

3. to reduce the strictness of a rule, system, or control — for example, making reg

3.動詞及物B2
釋義

放寬;鬆綁

降低規定或限制的嚴格程度

to reduce the strictness of a rule, system, or control — for example, making regulations easier to follow or standards less severe.

例句

The government loosened the rules on small businesses to help the economy grow.

政府放寬了對小型企業的規定,以幫助經濟成長。

collocation: loosen + rules/regulations/restrictions

The school loosened its dress code, allowing students to wear casual clothes.

學校放寬了服裝規定,允許學生穿休閒服裝。

collocation: loosen + dress code/policy/standards

常見搭配
  • loosen restrictions/controls
  • loosen rules/regulations
  • loosen a dress code/policy
  • loosen lending rules/standards
  • loosen the laws
同義詞
  • relax

    very similar in meaning but far more common; 'relax the rules' is the standard phrase

  • ease

    suggests a gradual reduction in severity; 'ease restrictions' is common in news reporting

  • liberalize

    more formal and stronger — implies making rules much freer or removing them entirely

反義詞
  • tighten

    the opposite — making rules, restrictions, or controls stricter

  • stiffen

    more formal; used especially for penalties, regulations, or requirements

文法句型

loosen + abstract noun (rules, restrictions, controls, standards)

用法筆記

Object is always abstract (rules, restrictions, controls, standards, policies). Common in news, business, and official contexts. Frequently passive: 'restrictions were loosened.'

常見錯誤

The government loosened the economy.
The government loosened controls on the economy.
'loosen' needs an object like 'rules', 'restrictions', or 'controls'; you cannot loosen an entity itself.

同根字

常見搭配

常用片語

  • loosen up
  • loosen off

介系詞搭配