頭等first-class;first-rate;five-star;top priority
～艙first-class cabin/～廚師master chef /～大事a matter of prime importance(or top priority);a major event;a primary event/～翻譯top-notch interpreter/～飯店five-star restaurant (or hotel)/～服務(wù)first-class service /～艙位first-class air ticket:fly first class:firstclass seat/～獎first prize/～品first-rate goods/～人才first-rate personnel;best qualified person; most talented person; best and brightest/～重要任務(wù)task of primary importance/～證券（票據(jù)） first-class paper |