1.dumbfound：v. 使惊讶
Meanwhile, my wife just stood there dumbfounded like a blockhead, forget ting even to help my mother up.（妻子竟忘了去扶持母亲，站在那儿，眼睛都直了，跟个傻子一般。）
2.dumpy：a. （指人）矮胖的
His long dumpy face wrinkled in a scowl.（那长下巴的胖圆脸皱起了眉头。）
3.dungeon：n. 土牢，地牢
4.dupe：v. 欺骗，愚弄n. 受骗的人，上当者
He was duped into telling them everything.（他被骗把什么都告诉了他们。）
5.duplicity：n. 口是心非，奸诈
6.dusky：a. 深褐色的，黑黝黝的
Her dusky mouth was parted slightly to show tiny white teeth.（她那暗色的嘴微微启开，露出洁白的小牙齿。）
7.dynamism：n. 精力，活力，推动力