英 [ˈɑːbɪtrəri] 美 [ˈɑːrbɪtreri]
adj. 任意的，随心所欲的；专横的，武断的
arbitrary /ˈɑːbɪtrərɪ/ CET4 TEM4
形容词 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
Arbitrary arrests and detention without trial were common.
不经审讯随意扣押是常有的。
副词 随意地
The victims were not chosen arbitrarily.
这些受害者不是被随意选的。
based on or subject to individual discretion or preference or sometimes impulse or caprice
an arbitrary decision ; the arbitrary rule of a dictator ; an arbitrary penalty ; of arbitrary size and shape ; an arbitrary choice ; arbitrary division of the group into halves
... subjective 主观的（非客观的） arbitrary 任意的；武断的；随心所欲的 vast 辽阔的；巨大的 ...
我们知道,词形和词义的关系是约定俗成的(conventional)、任意的(arbitrary),而且大多数词语的形成并没有什么理据可言,亦即不能合乎逻辑地解释符号与其意义的关系。
... Flip Horizontal 水平翻转 Arbitrary 任意角度 90°CCW 学习静态管道混合器逆时针90度 ...
实际上，即使是“专断的”（arbitrary）这个术语，也未能保 住其古典的意义。
arbitrarily 武断地；反复无常地；专横地
arbitrariness 任意，恣意；专断；霸道
[数]任意的；武断的；专制的
artificial / random / absolute
He makes unpredictable, arbitrary decisions.
他做的决定难以预料，主观武断。
Arbitrary arrests and detention without trial were common.
不经审讯随意扣押是常有的。
The choice of players for the team seemed completely arbitrary.
看来这个队的队员完全是随意选定的。
"One of the programming problems was try to figure out how to break an arbitrary chocolate bar into a certain number of pieces of a certain number of sizes and to do it as quickly as possible.
VOA : special.2010.03.11
That means that p1 and -- where I am, the point number 1 and point number 2 were completely arbitrary.
因为1和，两个点是2,陆军上面。
热力学与动力学课程节选 : 麻省理工公开课
Here you've got a red light which doesn't seem to enter into this sense of the arbitrary and differential.
这里，红灯看起来并没有,任意性和差异性。
文学理论导论课程节选 : 耶鲁公开课
Flournoy says the withdrawal date is not arbitrary and Mr.Obama did not, as she put it,pull the timeline "out of a hat."
VOA : standard.2009.12.08
On Tuesday, international mining companies expressed public concern about arbitrary property seizures.
VOA : standard.2010.04.15
And for the first time within memory, drug company executives are publicly complaining about uncertain and arbitrary regulation.
And this extends beyond race, gender and religion to the arbitrary realm of Zazes and Flurps.
He asked her for 1, 000 korunas, a figure that struck her as relatively arbitrary.