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。