beacon

/ˈbiːkən/ (bre, ipa) · /ˈbiːkən/ (ame, ipa) · /ˈbē-kən/ (ame, mw)

beacon — noun

1. a bright light or a controlled fire put in a high, open spot — for example a hil

1.名詞C1
釋義

a bright light or a controlled fire put in a high, open spot — for example a hilltop, a clifftop, or a tall pole — so people far away can see it and know there is danger or a message to read.

例句

Sailors near the rocks watched for the beacon flashing on the cliff above the harbour.

physical signal warning of danger

Villagers lit a beacon on the hilltop to warn nearby towns that enemy ships had arrived.

historical use: lit a beacon on

同義詞
  • signal fire

    older or historical phrasing for the same idea

  • lighthouse

    specifically a tall tower by the sea, while 'beacon' is broader

  • warning light

    neutral term, often electric and small, less dramatic in scale

用法筆記

Often appears with verbs of lighting and seeing: 'light a beacon', 'see a beacon', 'a beacon flashes'. The location is usually named with 'on' (on a hill, on a tower, on the cliff).

常見錯誤

They lighted a beacon in the cave to warn the ships.
They lit a beacon on the cliff to warn the ships.
💡a beacon must be in a place far-seen from outside, not hidden inside; and the past tense of 'light' here is 'lit'.

2. a small machine that sends out radio waves so pilots, sailors, or rescue teams c

2.名詞C2
釋義

a small machine that sends out radio waves so pilots, sailors, or rescue teams can work out exactly where the ship, plane, or person carrying it is.

例句

After the crash, the plane's emergency beacon helped rescuers find Fadi within four hours.

emergency beacon for locating people

Every climber on the team carries a small beacon clipped to the strap of their backpack.

personal locator beacon worn on body

同義詞
  • transponder

    more technical; replies to a query rather than broadcasting alone

  • transmitter

    broader term for any device that sends radio waves

用法筆記

Distinguish from sense 1: this beacon is electronic and small, often invisible from a distance, while sense 1 is a visible light or fire. Common compounds: 'emergency beacon', 'locator beacon', 'radio beacon'.

常見錯誤

The pilot looked up and saw the radio beacon on the mountain.
The pilot picked up the radio beacon's signal from the mountain.
💡a radio beacon is heard or detected, not seen with the eyes.

3. a person, place, or idea that other people look toward when they feel lost, beca

3.名詞C2
釋義

a person, place, or idea that other people look toward when they feel lost, because it shows them that something good — like hope, freedom, or kindness — is still possible.

例句

During the long war, the small library stayed open and became a beacon of hope for the city.

beacon of + abstract noun (hope)

Her grandmother was a beacon of kindness to every neighbour on the street.

person as beacon of + virtue

同義詞
  • inspiration

    more general; lacks the 'guiding light from afar' image

  • guiding light

    very close in meaning, slightly more poetic

  • role model

    only for people, and more about behaviour than hope

文法句型

a beacon of N

用法筆記

Almost always in the pattern 'a beacon of [abstract noun]' (hope, freedom, light, kindness) or 'a beacon for [group]'. Strong positive feeling — do not use for neutral or bad examples.

常見錯誤

Greedy companies are a beacon of selfishness in the market.
Greedy companies are an example of selfishness in the market.
💡'beacon' is reserved for things people admire and follow; do not use it with negative qualities.

beacon — verb