1. 形容詞
   警惕的, 警戒的
   有戒備的
   小心提防的
   注意的, 留心的
   注視的
   

   同義字詞
   alert,Argus-eyed,attentive,awake,observant,open-eyed,vigilant,wide-awake
   

例句

1. Be sober-minded; be watchful .
2. He was watchful , never rebellious.
3. Be watchful of the tactics of others .
4. The mother of slaves is very watchful .
5. Be watchful of what is influencing them.
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