I need to keep refreshed保持清醒的头脑---你想表达的大概是这个意思吧keep a clear/cool head或者keep sober-mindedawake [英]wek [美]wek .adj. 醒着的;警惕的 vt. vi. 唤醒;唤起;觉悟望采纳，谢谢~stay
stay awake英文发音：[ste wek]中文释义：保持唤醒状态;保持清醒;保持唤醒例句：Stay sober but pretend to be drunk, and stay awake but pretend to be asleep.保持清醒，但假装喝醉了；保持警觉，但假装睡着了。词汇