arbitrary /ˈɑːbɪtrərɪ/ CET4 TEM4

• 1. 

  ADJ 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. 随意的 [表不满]

  例：

  Arbitrary arrests and detention without trial were common.

  不经审讯随意扣押是常有的。

• 2. 

  arbitrarily ADV 随意地 [ADV with v]

  例：

  The victims were not chosen arbitrarily.

  这些受害者不是被随意选的。