有理由的

Their complaints are well-founded.

他们的抱怨是有理的。

We are justly proud of our new achievement.

我们有充分的理为我们的新成就感到骄傲。

Jack has nothing to say. He must have a suasive song and dance next time.

杰克无言以对。下次，还得找个有说服力的理。

But others, who find Quine's arguments unpersuasive, hold that analytical philosophy has virtues quite sufficient to ensure it a role as a central philosophical method for the foreseeable future.

但是其他一些发现奎因的主张并没有说服力，坚持分析哲学有相当充分的理为它作为可预知的未来的一种核心的哲学方法提供担保。

Given the distance between my previous role as a convention gate-crasher and my newfound role as convention keynoter, I had some cause to worry that my appearance in Boston might not go very well.

我在上届大会的角色是擅闯会场者，而这届大会是主要发言，这两个角色的巨大差距，我有一定的理担心，我在波士顿的登场也许不会十分成功。