a couple of（两个、一对）—a couple of days，a couple of players，a couple of times a cupful of（一满杯）—a cupful of jelly，a cupful of water a portion of（一份／客）—a portion of duck，a portion of roast beef a majority of（大多数／大半）—a majority of opinions，a majority of votes an atom of（一点）—an atom of food，an atom of truth a spell of（一阵／一段时间）
