blade

blade — 名詞

1. the long, thin, sharp piece of metal that forms the cutting side of a knife, swo

1.名詞B2
釋義

刀刃；刀身

刀劍等工具上的金屬切割部分

the long, thin, sharp piece of metal that forms the cutting side of a knife, sword, razor, or similar tool.

例句

Beatriz tested the blade of the kitchen knife with her thumb before chopping the onions.

Beatriz 在切洋蔥之前，先用拇指試了一下廚房刀的刀刃。

the blade of [a knife]

The old sword had a long, curved blade that was still very sharp.

那把舊劍有著又長又彎的刀身，到現在依然非常鋒利。

同義詞
  • edge

    only the sharpened line, not the whole metal piece

  • knife

    the whole tool including handle, not just the metal part

反義詞
  • handle

    the part you hold, opposite end of a knife

  • hilt

    the handle of a sword, opposite end from the blade

文法句型

the blade of [a knife/sword/razor]

用法筆記

Object is usually a cutting tool (knife, sword, razor, axe). Often appears in 'sharp/dull/clean blade' and 'the blade of [tool]'. Distinguish from sense 2 (rotating part) and sense 5 (skate part) by context.

常見錯誤

❌The knife has a strong edge to cut bread.
✅The knife has a strong blade to cut bread.
💡use 'blade' for the whole metal piece, not just 'edge'.

2. one of the wide, flat arms on a fan, propeller, helicopter, oar, or windmill tha

2.名詞
釋義

葉片；扇葉

扇子、螺旋槳等機器上轉動的寬扁部分

one of the wide, flat arms on a fan, propeller, helicopter, oar, or windmill that turns or moves to push air or water.

例句

The helicopter blades spun so fast that Sofia had to hold onto her hat.

直升機的葉片轉得太快，Sofia 必須緊緊抓住自己的帽子。

plural subject: blades spun

Dust covered the blades of the ceiling fan in the bedroom.

臥室天花板吊扇的扇葉上佈滿了灰塵。

the blades of [a fan]

同義詞
  • vane

    more technical, often used for windmill or weather instruments

  • rotor

    the whole spinning unit (hub plus blades), not one arm

文法句型

the blades of [a fan/propeller/helicopter]

用法筆記

Often appears in plural ('blades') because most machines have several. Common compounds: 'fan blades', 'propeller blades', 'rotor blades', 'oar blade'. Subject is usually a machine or wind-powered device.

常見錯誤

❌The helicopter wings spin very fast.
✅The helicopter blades spin very fast.
💡helicopters and fans have blades, not wings.

3. used as part of the name of an object whose shape is flat and thin, often long,

3.名詞
釋義

扁平部位

形狀像刀刃的細長扁平部位

used as part of the name of an object whose shape is flat and thin, often long, looking similar to the cutting part of a knife.

例句

Marcus rubbed his sore shoulder blade after lifting the heavy box into the truck.

Marcus 把沉重的箱子搬上卡車後，揉了揉痠痛的肩胛骨。

compound: shoulder blade

Anna found a small bone called the shoulder blade in her biology textbook.

Anna 在生物課本裡看到一塊叫做肩胛骨的小骨頭。

同義詞
  • leaf

    for thin flat plant parts, but 'blade' is used in shape compounds

  • plate

    for flat metal pieces, but more rigid and not usually long

文法句型

[noun] + blade

用法筆記

This sense appears mainly inside fixed compounds ('shoulder blade', 'blade of seaweed'). Rarely stands alone. Distinguish from sense 1 by the absence of any cutting purpose.

4. one of the thin, flat, pointed leaves that grow up from grass and similar plants

4.名詞
釋義

草葉

草等植物上細長扁平的葉子

one of the thin, flat, pointed leaves that grow up from grass and similar plants.

例句

A single blade of grass had pushed up between the stones in the garden path.

一根草葉從花園小徑的石縫中冒了出來。

a blade of grass

Tom lay on the lawn and chewed a long blade of grass while watching the clouds.

Tom 躺在草坪上，咬著一根長長的草葉看雲。

同義詞
  • leaf

    general term, but 'blade' is the correct word for grass and similar narrow leaves

  • stem

    the upright part of the plant, not the leaf

文法句型

a blade of grass

用法筆記

Almost always appears in 'a blade of grass' or plural 'blades of grass'. Used for narrow leaves of grasses, reeds, or rice plants — not for broad leaves like those of an oak tree.

常見錯誤

❌A piece of grass stuck to her shoe.
✅A blade of grass stuck to her shoe.
💡for one slim grass leaf, English uses 'blade', not 'piece'.

5. the thin metal strip fixed under an ice skate that the skater glides along the i

5.名詞
釋義

冰刀

冰鞋底下用來在冰上滑行的金屬條

the thin metal strip fixed under an ice skate that the skater glides along the ice on.

例句

Yuna sharpened the blades of her skates before the figure skating competition.

Yuna 在花式滑冰比賽前，把冰鞋的冰刀磨利。

the blades of [skates]

The blade of the skate left a thin line across the smooth ice.

冰刀在平滑的冰面上劃出一道細細的痕跡。

同義詞
  • runner

    older term for the same metal strip, also used for sleds

反義詞
  • wheel

    what a roller skate uses instead of a blade

文法句型

the blade of [an ice skate]

用法筆記

Specific to ice skates (figure skating, hockey, speed skating). Roller skates have 'wheels', not 'blades'. Often used in plural because each skate has its own blade.

常見錯誤

❌She fell because the metal under her skate was loose.
✅She fell because the blade of her skate was loose.
💡the technical word is 'blade'.

6. a curved springy device, usually made of carbon fiber, worn by someone whose low

6.名詞
釋義

運動義肢

供截肢者奔跑或行走的彎曲彈性義肢

a curved springy device, usually made of carbon fiber, worn by someone whose lower limb is partly missing so that they can walk, run, or compete in sports.

例句

Paralympic sprinter Aisha trains every morning with a carbon running blade.

帕運短跑選手 Aisha 每天早上都用碳纖維運動義肢訓練。

compound: running blade

After the accident, Daniel learned to run again using a curved blade.

意外發生後，Daniel 學會了用一支彎曲的義肢再次奔跑。

同義詞
  • prosthesis

    the general medical term for any artificial body part

  • prosthetic

    general term; 'blade' refers specifically to the curved sports type

文法句型

running blade

carbon blade

用法筆記

Often appears in 'running blade' or 'sports blade'. Strongly associated with Paralympic athletics and rehabilitation. Distinguish from sense 5 (ice skate part) by context — this is fitted to a person, not a shoe.

7. an old-fashioned word for a lively, good-looking young man who dresses well and

7.名詞
釋義

翩翩公子

舊式說法，指活潑時髦的年輕男子

an old-fashioned word for a lively, good-looking young man who dresses well and enjoys having fun.

例句

In the 1920s, Henry was known around the city as a charming young blade.

在 1920 年代，Henry 在城裡是出了名迷人的翩翩公子。

a young blade

The novel describes a group of rich blades drinking and dancing every night in London.

這本小說描寫一群有錢的年輕公子哥每晚在倫敦喝酒跳舞。

plural: blades

同義詞
  • dandy

    old-fashioned, focuses on fancy clothes more than energy

  • playboy

    modern, suggests wealth and many girlfriends; more negative

文法句型

a young blade

a gay blade

用法筆記

Old-fashioned and now mostly literary or humorous. Often modified by 'young', 'gay', or 'dashing'. Modern speakers rarely use this sense — choose 'a stylish young man' in everyday writing.

常見錯誤

❌My new neighbor is a blade.
✅My new neighbor is a stylish young man.
💡'blade' in this sense sounds very old-fashioned today.