be alert

US 
UK 
  • v.警惕
  • Web保持警觉;保持警惕;留意服务别人
v.
1.
警惕

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard