Sure做词根，表示保证，担保

　　assure v.使确信;+sb，I assure you that be safe.

　　ensure v.确信;确保;+sth，I ensure that they'll be safe.

　　reassureàre(相当于repeat)-assureàv.安慰;+sb，==comfort+sb

　　consoleàcon(一起)-sole(单身，常指女性)à安慰 +sb;

　　The good news console him a great deal.

　　Coarse adj.粗燥的(常指具体对象);粗俗的;

　　His skin is coarse.

　　A coarse joke.

　　Rough adj.粗略的(常指抽象事物);a rough computation.粗略计算

　　Crude adj.天然的;未经提炼的;crude oil原油;crude salt粗盐;

　　raw material天然材料;

　　natural resources自然资源;

　　cruel adj.残忍的;惨痛的;be cruel to sb.

　　bold adj.光地;秃的;a bold patch秃顶;

　　bare adj.(常指手或脚)赤裸的;do sth with bare hands.

　　Barely adv.勉强(常指肯定的勉强);I barely made it.我成功了

　　hardly adv.几乎不;He had hardly arrived when it began to snow.他一到, 天就下起雪来了。

　　almost adv.几乎;差不多;I almost made it.我几乎成功了。

　　Black adj.空白的;

　　Vacant adj.空缺的;(常指立体的或者抽象事物的空缺);vacant position空缺职位

　　A vacant house无人居住的房子;

　　A empty room空房间;

　　hollow adj.中空的;He was thin and his cheeks were hollow.他很瘦, 连面颊都凹陷了下去。