头等first-class;first-rate;five-star;top priority
～舱first-class cabin/～厨师master chef /～大事a matter of prime importance(or top priority);a major event;a primary event/～翻译top-notch interpreter/～饭店five-star restaurant (or hotel)/～服务first-class service /～舱位first-class air ticket:fly first class:firstclass seat/～奖first prize/～品first-rate goods/～人才first-rate personnel;best qualified person; most talented person; best and brightest/～重要任务task of primary importance/～证券（票据） first-class paper |