stealthy

/ˈstelθi/ (bre, ipa) · /ˈstelθi/ (ame, ipa) · /ˈstel-thē/ (ame, mw)

stealthy — 形容詞

  • stealthypositive
  • stealthiercomparative
  • stealthiestsuperlative

1. moving or behaving with slow, quiet care so that other people or animals do not

1.形容詞B2
釋義

偷偷的;鬼祟的

行動安靜不被察覺

moving or behaving with slow, quiet care so that other people or animals do not notice you — for example, a cat stalking a bird, or a person sneaking through a dark room.

例句

The stray cat made a stealthy approach toward the bird on the fence.

那隻流浪貓偷偷地向圍籬上的鳥靠近。

collocation: stealthy approach

A security guard spotted a stealthy figure moving near the warehouse at midnight.

一名警衛在午夜時分看到一個鬼祟的身影在倉庫附近移動。

同義詞
  • sneaky

    more negative and informal; implies dishonest intent

  • furtive

    suggests nervousness or guilt, often of a person's glance or movement

  • quiet

    simpler and broader; does not carry the deliberate secrecy of stealthy

反義詞
  • noisy

    the opposite in terms of sound

  • conspicuous

    the opposite in terms of visibility and attention

文法句型

stealthy + noun

be + stealthy

常見錯誤

The cat was very stealthy that no one saw it.
The cat was so stealthy that no one saw it.
💡Use 'so...that' to show cause and result, not 'very...that'.

2. done or organized in a secret way so that most people do not know about it — for

2.形容詞B2
釋義

祕密的;暗中進行的

不讓他人察覺的行動

done or organized in a secret way so that most people do not know about it — for example, a plan, deal, or transfer of money that is hidden from public view.

例句

The technology company made a stealthy plan to launch its new product before competitors.

那家科技公司暗中計劃在競爭對手之前推出新產品。

collocation: stealthy plan

There was a stealthy transfer of funds between the two accounts that no one noticed at first.

那兩個帳戶之間有一筆暗中資金轉移,起初沒有人注意到。

同義詞
  • secret

    broader and more common; does not imply clever concealment

  • covert

    more formal; especially used for military or intelligence operations

  • surreptitious

    suggests sneaking or doing something forbidden

反義詞
  • open

    fully visible to everyone

  • public

    known to all; not concealed

文法句型

stealthy + noun (plan/operation/transfer)

用法筆記

Distinguish from sense 1: sense 2 describes secret plans, deals, or processes, not physical movement or sound. Frequently used in political and business contexts.

常見錯誤

The deal was stealthy by the committee.
The committee kept the deal stealthy.
💡'Stealthy' describes a quality of a thing, not an agent performing an action.

3. designed with special technology so that radar or other detection equipment cann

3.形容詞C1
釋義

匿蹤的;隱形的

雷達無法偵測的軍用科技

designed with special technology so that radar or other detection equipment cannot find it easily — used for military aircraft, ships, submarines, and drones.

例句

The air force tested its new stealthy fighter jet over the desert at night.

空軍在夜間於沙漠上空測試了新型匿蹤戰鬥機。

collocation: stealthy fighter jet

Engineers designed a stealthy patrol boat that could approach enemy coasts without detection.

工程師設計了一種匿蹤巡邏艇,可以靠近敵方海岸而不被發現。

同義詞
  • invisible

    broader; does not specify radar or military technology

  • undetectable

    more technical; can apply to various detection methods

文法句型

stealthy + noun (aircraft/fighter/drone/submarine/ship)

用法筆記

Distinguish from senses 1 and 2: sense 3 refers specifically to military technology that evades radar detection, not to human behaviour or secret plans. This sense is typical in news and technical reports.

常見錯誤

The stealthy plane cannot be seeing on the screen.
The stealthy plane cannot be seen on the screen.
💡Use past participle 'seen', not 'seeing', after a modal passive.