| 1. | Remember, you have once been deceived . 别忘记,你已经上过一次当了。 |
| 2. | I should like to see him once before i go . 在我走以前我想看他一次。 |
| 3. | The matter is urgent and must be dealt with at once . 必须立即处理。 |
| 4. | A strong objection at once occurred to us . 我们立刻遇到强烈的反对。 |
| 5. | We must evacuate those soldiers at once ! 我们必须立即撤出这些士兵! |
| 6. | Once i nourished the entire human race . 过去,我曾经养育过整个人类。 |
| 7. | Once he took the vow his loyalty never wavered . 他的忠诚从不动摇。 |
| 8. | Once motion stops, hearing is impaired . 一旦动作停止,听觉就失灵。 |
| 9. | I have relaxed some standards i once had . 我是从以前的立场后退了。 |
| 10. | He realized at once what was happening . 他一眼就看清了当时的情况。 |