| 1. | The mathematics of the theory is too formidable . 理论中的数学太难。 |
| 2. | The teacher is a formidable disciplinarian . 这位老师对纪律抓得很严。 |
| 3. | It sounds, perhaps, like a formidable job . 听起来,这也许是件困难的事。 |
| 4. | The assistants raised a formidable hurrah . 助手们发出了一片震天的欢呼声。 |
| 5. | Here was a formidable and measureless step . 这是一个重大但难以预测的步骤。 |
| 6. | His notes already made a formidable range of volumes . 他的笔记本已堆积如山。 |
| 7. | Keyes had formidable credentials of achievement . 凯斯有过极其伟大的成功纪录。 |
| 8. | Here the enemy's defences were the most formidable . 这里敌人的防御工事是最坚固的。 |
| 9. | There are many formidable obstacles to overcome . 存在着许多需要加以克服的重大障碍。 |
| 10. | This is a formidable project . 这个工程非常艰巨。 |