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

　　vociferous <> silent

　　vociferous <> monotonous

　　vociferous <> reticent/monotone 吵闹的<>沉默不语的/单调的

　　vociferous <> serenity 叫喊的，吵闹的<>安静的

　　vociferous <> serene

　　vociferous <> still

　　vociferous : suppression 喧嚷的:抑制，含蓄(镇压)

　　boisterous: 猛烈的, 狂暴的, 喧闹的

　　1) marked by or given to vehement insistent outcry

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

　　adj. 喧哗的，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. 议案的反对者在国会外愤怒地举行了声势浩大的抗议活动

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

　　【反】 reticent, taciturn 沉默的;serene, tranquil 宁静的