keep awake
Keep a cool head during the crisis.
在危急关头要保持清醒的头脑。
—— 给力词典精选Until recently Sammy has seemed to be retaining his hard sanity.
不久之前,山米看来还是能够保持清醒的头脑。
—— 辞典例句He kept himself sober for the purpose - tolerably sober.
他还特意让自己保持清醒 -- 相当清醒。
—— 辞典例句You´ll need to keep a clear head for your interview.
你面试时需要保持清醒的头脑。
—— 给力词典精选He had been drinking mugs of coffee to keep himself awake.
他一直在喝大杯大杯的咖啡让自己保持清醒。
—— 《柯林斯英汉双解大词典》