① 随意的,任意的;武断的,专横的 本义 形容词 认知域 理据— 例句The choice was completely arbitrary.这个选择完全是随意的。An arbitrary decision often ignores the facts.武断的决定常常无视事实。He was often arbitrary in dealing with his staff.他对待下属常常独断专行。 溯源路径本义