Analysts say the advent of the born-frees has changed political discourse and obliged leaders to stop relying for votes on their role in the independence struggle.

VOA: standard.2009.11.27

The very structure, in fact, of Milton's poem here is what Dr. Johnson would be obliged to call a remote allusion.

约翰逊称弥尔顿这首诗的结构,是遥远的幻境是不得已的。

耶鲁公开课 - 弥尔顿课程节选

So given all of the controversies raging around the question of the proper government of the church, and Milton is deeply invested in these matters, Milton feels obliged to do something.

因此考虑到对应当来领导教会的适当政府的问题,所引发的相当争议，弥尔顿已经深深的陷在这些事务里，无法脱身了，他觉得自己需要做些什么。

耶鲁公开课 - 弥尔顿课程节选

In fact,we have 18 months ahead of what we are obliged to.

VOA: standard.2009.11.28

I don't think anybody's obliged to eat or not to eat strawberry ice cream.

没有谁有这个义务非得要吃,或者不吃草莓冰淇淋。

耶鲁公开课 - 心理学导论课程节选

Two black farm workers have been arrested. Police were obliged to erect razor wire between blacks and whites during a tense standoff Tuesday outside the courthouse where the two suspects were charged with murder.

VOA: standard.2010.04.08

All officials from the chancelleries that he had created and all of the officers were obliged to attend this torture scene as a way of warning them that, "You'd better not mess around."

他所有的内阁大臣和官员们,都被迫出席拷打的场面,这么做是以儆效尤,"你们最好别到处惹是生非"

耶鲁公开课 - 欧洲文明课程节选

I actually think we are obliged not to kill babies."

我认为我们不能杀婴儿“

耶鲁公开课 - 心理学导论课程节选