arbitrary
1.ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词武断的;任意的;任性的;主观的 If you describe an action, rule, or decision as arbitrary, you think that it is not based on any principle, plan, or system. It often seems unfair because of this.
【语用信息】：disapproval
Arbitrary arrests and detention without trial were common.
随意逮捕和拘留屡见不鲜。
arbitrarily
The victims were not chosen arbitrarily.
下手对象不是随便选择的。
arbitrariness
He is horrified by the apparent arbitrariness by which she sets the prices.
她定价时貌似的随意性让他很惊讶。
