run up on

动词 v.

英文释义

动词 v.
  1. To approach with speed or forceful intensity transitive
    — Hey, don't run up on me like that while my back's turned...I might accidentally deck you.
  2. To confront with hostility transitive
  3. To hit on (somebody). transitive

词形变化

runs up on present,singular,third-person running up on participle,present ran up on past run up on participle,past

词源

From run up + on.
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