1. The ostensible excuse—that it is unable to do so—looks less tenable now it has some military successes against the Taliban. 既然已经取得了一些军事胜利，那么表面上借口无法给予援助如今看来更加不成立。
2. I believe that our contemporary pragmatists, especially Messrs. Schiller and Dewey, have given the only tenable account of this subject. 我相信当代的实用主义者，特别是席勒和杜威两位先生，对于这个问题已经给了我们唯一有条理的解释。
3. The basic problem from a scientific point of view is that some explanations which might be tenable from a chemical point of view, are precluded by physics. 从科学的角度来看，一个最基本的困难是：某些解释或许从化学的角度来看是合理的，但是从物理学的立场来看却又被否定。
