GRE重點詞匯解析：vociferous

　　vociferous: 喧嚷的, marked by or given to vehement insistent outcry

　　vociferous <> silent

　　vociferous <> monotonous

　　vociferous <> reticent/monotone 吵鬧的<>沉默不語的/單調(diào)的

　　vociferous <> serenity 叫喊的，吵鬧的<>安靜的

　　vociferous <> serene

　　vociferous <> still

　　vociferous : suppression 喧嚷的:抑制，含蓄(鎮(zhèn)壓)

　　boisterous: 猛烈的, 狂暴的, 喧鬧的

　　1) marked by or given to vehement insistent outcry

　　2) making, given to, or marked by noisy and vehement outcry

　　adj. 喧嘩的，大叫大嚷的： making, given to, or marked by noisy and vehement outcry

　　【例】Vociferous opponents of the bill protested angrily outside the Congress. 議案的反對者在國會外憤怒地舉行了聲勢浩大的抗議活動

　　【近】 blatant, boisterous, clamant, clamorous, obstreperous, strident, yowling

　　【反】 reticent, taciturn 沉默的;serene, tranquil 寧靜的