挑战: throw down the gauntlet; cha ...号: howl; yell惨剧: tragic event; tragedy; calam ...致辞: make a speech; address挑战号: challenger; uss defiant其后同一年，包括挑战号: uss defiant惨剧: tragic event; tragedy; calamity 世界性的惨剧 a world tragedy; 惨剧的受害者 a victim of calamities致辞: make a speech; address 新年致辞 new year message; 请来宾向大会致辞 call upon a guest to address the conference挑战: 1.(挑衅) throw down the gauntlet; challenge; challenge to battle 接受挑战 accept the challenge; take up the gauntlet; 向 ... 发出挑战 issue one's challenge to ...; 她带着挑战的目光看着我。 she looked at me with challenge. 新政府当选的合法性受到了反对派的挑战。 the election of the new government was met by a challenge from its opponents.2.(提出竞赛) challenge to a contest; challenge; 挑战书 letter of challenge; challenge向…致辞: addressed希斯堡惨剧: hillsborough disaster闭幕致辞: closing remarks会议致辞: conference address婚礼致辞: wedding speech经理致辞: managers oration开幕致辞: welcome and opening addressed领导致辞: leaders oration女皇致辞: queen's speech向大会致辞: to address a meeting新年致辞: new year's speech致辞毕业生: salutatorian致辞者上: enter chorus惨剧的受害者: a victim of calamities火车失事惨剧: a fearful railway accident世界性的惨剧: a world tragedy
