单词详解

adj.

A.随意的，主观的 (based on personal opinion or impulse, not on reason)

You can make an arbitrary choice. 你们可以做随意的选择。

B.专横的，独断专行的 (using controlled power without considering others; dictatorial)

A good judge does not make arbitrary decisions. 一个好的法官不会做出武断的判决。

相关单词

    近义词：unreasonable

副词：arbitrarily 

名词：arbitrariness