Brain fade refers to a temporary inability to concentrate or think clearly.When your mind just goes blank, or when you know the answer but just can't sayit, you are suffering from brain fade.
“脑抽”指短时间内无法集中注意力或者清醒思考。如果你大脑一片空白，或者明明知道答案却说不出来，那么你就是“脑抽”了。
For example:
Prime Minister David Cameron blamed brain fade when he accidentallyannounced his footballing allegiance to West Ham United rather than AstonVilla.
卡梅伦首相说，他误把自己支持的阿斯顿维拉球队说成西汉姆联队，这全是脑抽惹的祸。