| 1. | The matter is urgent and must be dealt with at once . 必须立即处理。 |
| 2. | A strong objection at once occurred to us . 我们立刻遇到强烈的反对。 |
| 3. | We must evacuate those soldiers at once ! 我们必须立即撤出这些士兵! |
| 4. | He realized at once what was happening . 他一眼就看清了当时的情况。 |
| 5. | It is expedient that he should go away at once ! 他最好还是立刻走掉。 |
| 6. | Lighting fixture must be installed at once . 必须立即安装照明设备。 |
| 7. | At once his suspicions were all aroused . 他一下子满腹狐疑起来了。 |
| 8. | There is no objection to your leaving at once . 你现在即刻走也不碍事。 |
| 9. | The situation flashed on carrie at once . 嘉莉立即明白了实际情况。 |
| 10. | The matter is pressing and must be dealt with at once . 必须立即处理。 |