crosshair

crosshair — 名詞

1. a pair of thin lines or wires inside an optical device such as a telescope, micr

1.名詞B2
釋義

十字準線

光學儀器中用於瞄準或測量的細線

a pair of thin lines or wires inside an optical device such as a telescope, microscope, or gun sight that help the user aim, center, or measure a target precisely

例句

Wren adjusted the telescope until the <hl>crosshair</hl> was centered on the lighthouse.

Wren 調整望遠鏡，讓十字準線對準燈塔。

collocation: center the crosshair on [target]

Mateo lined up the microscope's <hl>crosshair</hl> with the cell nucleus before the photograph.

Mateo 在拍照前，先將顯微鏡的十字準線對齊細胞核。

常見搭配
  • center the crosshair on
  • line up the crosshair with
  • crosshair drifts
  • moving crosshair
同義詞
  • reticle

    more technical term used in optics and engineering; crosshair is the everyday word for the same thing

  • graticule

    a grid or network of lines in an eyepiece; a crosshair is one type of graticule

  • sight

    broader term that includes the whole aiming device, not just the lines

用法筆記

The literal sense is used mainly in technical contexts (surveying, microscopy, marksmanship, astronomy). The plural form 'crosshairs' is far more common in everyday language, especially in the figurative idiom 'in the crosshairs.'

常見錯誤

He used the crosshair to aim the camera.
He used the crosshair in the viewfinder to frame the shot.
The crosshair is inside the viewfinder, not a tool held in the hand.
慣用語

in the crosshairs

idiom

under close attention and likely to be criticized, attacked, or made a target of someone's negative focus

處於被針對的目標

The company's new data policy put it squarely in the <hl>crosshairs</hl> of consumer privacy advocates.

After missing three deadlines, the project manager found herself in the <hl>crosshairs</hl> of senior leadership.

同根字

常見搭配

名詞搭配

副詞搭配

常用片語

  • in the crosshairs of
  • put in the crosshairs
  • center the crosshair on

介系詞搭配