on guard

英 [ɒn ɡɑːd] 美 [ɑːn ɡɑːrd]

• 值班； 警戒

英英释义

Adjective:

1. vigilant;

   "on guard against con artists"
   "must remain on your guard in such a situation"
   

词汇搭配

• on guard 值班
• be on one's guard 戒备着
• put someone on guard 劝某人警惕,让某人提...
• on one's guard 警惕
• put someone on his guard 劝某人警惕,让某人提...
• lie on one's guard 提防
• stand on one's guard 警戒

近反义词

【近义词】

• cautious 谨慎的
• circumspect 细心的
• on your guard 警戒(警惕
• on one's guard 警惕