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单词 be on (your) guard
释义

be on (your) guard

idiom
C2
to becarefultoavoidbeingtrickedor getting into adangeroussituation:
警惕，提防；警戒
You always have to be onyourguardagainstpickpockets.你得时时提防扒手。
SMART Vocabulary: related words and phrases
Paying attention and being careful
  • attention span
  • attentiveness
  • be good, and if you can't be good, be carefulidiom
  • cared-for
  • cautious
  • guard
  • handle/treatsomeonewith kid glovesidiom
  • hang
  • hang on/uponsomething
  • have a careidiom
  • have/keepyourear to the groundidiom
  • religion
  • revolve aroundsomeone/something
  • safety
  • safety firstidiom
  • see pastsomething
  • singleness
  • sit
  • zero
  • Zoom
See more results »
(Definition ofbe on (your) guardfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)
#https://dictionary.cambridge.org//dictionary/english/be-on-guard##
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更新时间：2026/2/13 18:00:34