take aback

verb take aback

• astonish — If something or someone astonishes you, they surprise you very much.
• astound — If something astounds you, you are very surprised by it.
• blow away — If you say that you are blown away by something, or if it blows you away, you mean that you are very impressed by it.
• blow one's mind — (in a human or other conscious being) the element, part, substance, or process that reasons, thinks, feels, wills, perceives, judges, etc.: the processes of the human mind.
• buffalo — A buffalo is a wild animal like a large cow with horns that curve upwards. Buffalo are usually found in southern and eastern Africa.