单词：wide-awake 

形容词

• 
  [1.a.wide-awake] (同义词:[unsleeping( adj. 未入睡的, 警觉的, 时刻戒备的 )]  [wide-awake( adj. 完全清醒的, 精明的, 机警的, 警戒的 n. 呢帽 )]  )
• 
  注释列句：fully awake; "the unsleeping city"; "so excited she was wide-awake all night"
• 近义词 -> [awake( vi. 醒, 觉醒, 领会, 觉悟 vt. 唤醒 adj. 警觉的, 醒的 )] 
  
• 
  [2.a.wide-awake] (同义词:[heads-up( adj. 足智多谋的 )]  [wide-awake( adj. 完全清醒的, 精明的, 机警的, 警戒的 n. 呢帽 )]  )
• 
  注释列句：fully alert and watchful; "played heads-up ball"
• 近义词 -> [alert( adj. 提防的, 警惕的 n. 警惕, 警报 )]