He collapsed on the floor, mumbling incoherently.他突然跌倒在地，语无伦次地咕哝着。I could hear him mumbling to himself.我听到他在喃喃自语。It was embarrassing and sad to see this man reduced to a mumbling wreck.看见这个人变得口齿不清、弱不禁风，真是让人既难堪又悲哀。...
It was embarrassing and sad to see this man reduced to a mumbling wreck.看见这个人变得口齿不清、弱不禁风，真是让人既难堪又悲哀。As he went along, he kept mumbling inconsequent phrases.他一边走着, 嘴里一边咕噜着一些不相连贯的话.I could hear him mumbling to himself.我听到他...