edge n. 刀口，利刃 vt. 使锋利，挤进，镶边，开刃

　　例句：Andy sharpened the edge of his knife on a grindstone.

　　安迪在磨石上磨快了他的刀刃。

　　hedge n. 树篱，障碍物

　　例句：Will the hedge keep the sheep out of the field?

　　这篱笆能将羊群挡在田地外面吗?

　　pledge n.保证，譬言，抵押，抵押品vt.保证，抵押，典当

　　例句：Take this ring as a pledge of our love.

　　请接受这个戒指作为我们爱情的誓言。

　　wedge n.楔vt.楔人，楔进

　　例句：Brant had a banana and a wedge of cheese for lunch.

　　布兰特中饭吃了一根香蕉和一块楔形的奶酪。

　　badge n.徽章，证章

　　例句：Charles was awarded a merit badge for his bravery in the battle.

　　查尔斯因为在战斗中的勇猛被授予一枚奖章。