摘要：达到如此的效果；到如此的程度；到达这样一种程度。比如：He is mad to such an extent that he beat his father 他疯到如此程度以至打了他的父亲。...

达到如此的效果；到如此的程度；到达这样一种程度。比如：He is mad to such an extent that he beat his father.他疯到如此程度以至打了他的父亲。