enthuse v.; coll. 1) приходить в восторг (about/over) The public are enthusing over the new play. Jane has been enthusing over the boy next door recently....
wait up а) coll. дожидаться; Hadn't we better wait up for the slower ones?; б) coll. не ложиться спать (до чьего-л. прихода) (for); I may be late, but please don't wait up for me...