只有当你卸下精神负担，你才不会在测试中脑子一片空白。用这些词测试 try out大脑一片空白 go blank 卸下精神负担take(我记得是take，也可能是另一个词) the load off one's mind 记得only要！！倒装。看我的对不对？？only when taking the load off your mind ,won't your mind goes blank while trying out