1.rouge：n. 胭脂，口红v. 在…上擦口红
Women put rouge on their cheeks to make their faces pretty.（女人往面颊上涂胭脂, 使脸更漂亮。）
2.rouse：v. 1. 唤醒，弄醒2. 激励，激起
I usually rouse at six in the morning.（我通常在早晨6点钟醒来。）
3.rove：v. 1. 漂泊，漫游2.（指眼睛）环顾
My grandfather loved to rove the countryside.（我祖父喜欢到乡下走一走。）
4.rowdy：a. 吵闹的，混乱的
A rowdy group of boys ran through the streets.（一群吵闹的男孩跑过街道。）
5.rudimentary：a. 1. 初步的，基本的2. 未发育成熟的
He has only a rudimentary knowledge of the subject.（他对这一科只有初步的认识。）
6.rue：v. 对（某事物）感到懊悔
He rued the day that he rode the motorcycle because he fell off and broke his leg.（他懊悔那天开摩托车时摔断了腿。）
7.ruffian：n. 无法无天的暴徒
8.ruffle：v. 1. 使变皱2. 滋扰，惹怒
His boss yelled at him and ruffled his feathers.（老板冲他叫嚷, 使他怒不可遏。）
9.rupture：n. 1. 破裂，断裂2. （友好关系的）绝交v. (使)破裂
10.rut：n. 1. 车辙，犁沟2. 生活方式
be stuck/in a rut 刻板而乏味的生活方式