draw a blank
毫无收获；一无所获；没有任何结果
口语·表示想不起来或毫无结果
英文释义
to be unable to remember or think of something
例句
I tried to remember her name, but I drew a blank—it just wouldn't come to me.
典故来源
源自彩票或抽奖术语，抽到空白票即无奖，后比喻努力后毫无结果或记忆空白。