somebody's mind goes blank (also somebody’s mind is a blank) informalFORGET if your mind goes blank, you suddenly cannot remember something 某人脑子里突然一片空白，某人突然什么也想不起来 For some inexplicable reason, her mind went completely blank. 说不清楚为什么，她脑子里突然一片空白。
His heart was thumping and his mind was a complete blank. 他的心怦怦直跳，脑子里一片空白。
→ somebody’s mind goes blank at mind1(23)