提神 tíshén refresh Origin Definitions Defs Strokes Stroke Words Sentences Sents 提神醒脑 tíshénxǐngnǎo invigorating to refresh and clear the mind提神剂 tíshénjì stimulant a substance that increases alertness or physiological activity, such as a psychostimulant or agrypnotic, typically used to combat fatigue