贫富: poor and rich...
解说: to explain, to comment...
刺耳: ear-piercing...
延误: to delay, to be held up, to miss (an opportunity), delay, holdup...
摘要: summary, abstract...
社团: association, society, group, union, club, organization...
上司: boss, superior...
王牌: trump card...
通通: all, entire, complete...
牡丹: tree peony (Paeonia suffruticosa)...