decorate sth (with sth)
用某物装饰某物，with短语可省略。
They decorated the room with balloons and streamers.
他们用气球和彩带装饰了房间。
装饰；装点
decorates — third person singular of decorate
授予（荣誉、奖章等）；授勋；改善室内外观；授予勋章或荣誉；通过附加代码扩展方法
to make something more attractive by adding ornament, colour, etc.
装饰
To furnish with decorations.
改善室内外观
To improve the appearance of an interior of, as a house, room, or office.
授予勋章或荣誉
To honor by providing a medal, ribbon, or other adornment.
通过附加代码扩展方法
To extend a method, etc. by attaching some further code item.
一般现在时
She decorates the room every year.
她每年装饰房间。
规则动词，过去式/过去分词加-ed
We decorated the living room with balloons and streamers for the party.
我们为聚会用气球和彩带装饰了客厅。
用法提示：decorated 是 decorate 的过去式，作及物动词，表示‘装饰’。
Every year she decorates a small Christmas tree in the kitchen.
每年她都在厨房装饰一棵小圣诞树。
用法提示：decorates 是 decorate 的第三人称单数形式，表示‘装饰’。
They are decorating the cake with fresh fruit and chocolate.
他们正在用新鲜水果和巧克力装饰蛋糕。
用法提示：are decorating 是 decorate 的现在进行时形式，表示‘装饰’。
用某物装饰某物，with短语可省略。
They decorated the room with balloons and streamers.
他们用气球和彩带装饰了房间。
授勋意义，for引出原因。
The general decorated the soldier for bravery.
将军因英勇而授予该士兵勋章。
被动形式，因某事受勋。
He was decorated for his service in the war.
他因战时服役被授勋。
比decorate更正式，常用于抽象或优雅的修饰
强调添加细节使其更华丽，可带贬义指夸大
主要用于烹饪，指给菜肴加装饰
强调修剪边缘或添加饰边，发型、服装等
grammar · medium
易错句子I bought some decorate for the house.
正确表达I bought some decoration for the house.
汉语的“装饰”可以作名词和动词，但英语的 decorate 只是动词，其名词形式是 decoration，这里需要名词作宾语。
grammar · medium
易错句子She decorated the room by balloons.
正确表达She decorated the room with balloons.
当表示装饰所用的材料时，decorate 后应接介词 with，而不是 by。
adorn侧重增添美观或荣誉，常与抽象对象搭配；decorate侧重具体物理装饰。
embellish常指添加细节以美化，可能夸张或虚构；decorate多指实际装修、布置。
用…装饰
They decorated the hall with balloons and flowers.
他们用气球和鲜花装饰了大厅。
装饰房间
She spent the weekend decorating her room.
她整个周末都在装饰她的房间。
装饰房子
We usually decorate the house for Christmas.
我们通常为圣诞节装饰房子。
装饰蛋糕
She learned how to decorate a cake with icing.
她学会了用糖霜装饰蛋糕。
装饰树
The children helped decorate the Christmas tree.
孩子们帮忙装饰了圣诞树。
用…装饰房间
They decorated the room with colorful curtains.
他们用彩色窗帘装饰了房间。
root
suffix
经常被装饰的空间，如客厅或卧室
常见装饰主题，涉及树木、彩灯等
为营造气氛而装饰的场合
可能用包装纸或丝带装饰的物品
贴壁纸、挂画等装饰的平面
Dictionary facts from ECDICT, WIKTIONARY.