关于as第二辑：1. 当作，认为（regard as），It was regarded as a miracle. He's regarded as the black sheep of his family.他被认为是家族的败家子。2. 因为，表示原因，You can't get out of the mess, as you're responsible for it. 你没法摆脱这个乱摊子，因为你对此有责任