zero in

动词 v.
中文释义

英文释义

动词 v.
  1. To focus one's aim; to zoom in and center (on something).
    — The pilot zeroed in on the bunker and launched a guided missile.
  2. To successfully narrow down a search (for).
    — We have zeroed in on the source of the problem.
  3. To concentrate or focus one's attention (on a task).
    — One member of the check fraud team will zero in on the fingerprints.
  4. To converge (on). idiomatic
    — At the spring sale, everyone zeroed in on the bargain clothes.

词形变化

zeroes in present,singular,third-person zeros in present,singular,third-person zeroing in participle,present zeroed in participle,past zeroed in past

词源

The phrase possibly comes from adjusting a sighting mechanism of a firearm to minimise the discrepancy between where the sight points and where a bullet lands on a target.
Another possible source is the Cartesian coordinate system in mathematics. In the coordinate system, points are defined relative to an origin (point of reference) labeled O, which has an (x,y) coordinate pair of (0,0).
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