是wonder at sth/sb对吗

explain sb.sth对吗? aim sth at sb inform sb about sth对吗 be better than sb 是 in 还是 at sth? text sb about sth text sb to do sth对吗 borrow sb sth=borrow sth for sb 对吗 to wave sth at sb beat sb.at sth.和beat sb.in sth. 处理、、、是( ) ( )sth/sb let sb to do sth 对吗?为什么 decide sb to do sth对吗 warn sb of doing sth对吗?