Should the use of rewards fail, members can frequently win by rejecting or threatening to ostracize those who deviate from the primary group's norms.

如果使用奖励失败了，通过拒绝或威胁来排斥那些偏离主要群体规范的人，成员可以经常获胜。

I ostracize my right to express when I feel it's time.

当我感到实际到来的时候将我的权利放逐出来。

Ostracize is in fact a word that ultimately traces back to the animal kingdom.

其实，我们有必要把单词ostracize一直追根溯源到动物王国。

To shut out from social or commercial participation; ostracize or boycott.

除社会或商业参与之外；放逐或拒绝跟…(来往)收藏。

Ostracize is not, as urbandictionary.com says “An exercise program for ostriches.”

Ostracize可不像《城市词典》（urbandictionary.com）里说得那样，是“一种人们常在鸵鸟（ostriches）身上看到的举动”。