adj.任意的，武断的，随心所欲的，专横的，专制的

His choice was quite arbitrary.
他的选择相当随意。
This is an arbitrary decision.
这是个武断的决定。
Messages can also have arbitrary arguments.
消息也可以有任意的参数。
The weather is so arbitrary today; it was sunny in the morning, and now it's pouring rain.
今天的天气真是随意，早上还是晴天，现在却下起了大雨。
She has an arbitrary rule about not eating desserts after dinner.
她有一个任意的规定，晚餐后不能吃甜点。
He made an arbitrary decision without consulting anyone.
他没有咨询任何人就做出了一个随意的决定。
In this game, you can choose from an arbitrary number of characters to play as.
在这个游戏中，你可以选择任意数量的角色来玩。
The teacher assigned us an arbitrary project for the weekend.
老师给我们布置了一个随意的周末项目。
Her style is very arbitrary, mixing high fashion with vintage clothing.
她的风格非常随意，将高级时装与复古服饰混搭在一起。
The company's policy allows for some arbitrary vacation days.
公司的政策允许一些随意的假期。
Don't take his comments too seriously; they're often arbitrary and meant for humor.
别太认真对待他的评论，往往都是随意说说，为了逗乐。
The professor marked our essays with arbitrary grades, which left us confused.
教授随意给我们的论文打分，让我们感到困惑。
In a world where technology is advancing rapidly, our choices often feel arbitrary.
在一个科技飞速发展的世界里，我们的选择常常显得随意而无定论。