be astonished at

对……非常吃惊

be about to do, be absorbed in, be abundant in, be accustomed to, be acquainted with, be addicted to, be adequate for, be affected with, be afraid, be afraid of doing sth., be afraid of sth.(sb.), be afraid to do sth., be alert to, be alike to, be alive to, be all ears, be ashamed of, be ashamed to do, be assigned to do, be associated with, be at ease with, be at the end, be at war, be attached to, be attentive to, be available for, be available to, be aware of, be beneficial to, be better off, be blessed with, be blind to, be bound for, be bound to, be bound to do, be bound up in, be bound up with, be burned to a crisp, be busy doing, be busy with,