| 1. | "i don't know," rudolph hesitated . “我不知道。”鲁道夫拿不准。 |
| 2. | I am not sure whether to resign or stay on . 我拿不准主意是辞职还是留任。 |
| 3. | I 'm doubtful as to what i ought to say . 我拿不准该说些什么。 |
| 4. | I 'm doubtful what i ought to say . 我拿不准该说些什么。 |
| 5. | He wasn't certain whether the men sided with him . 他拿不准弟兄们到底会不会向着他。 |
| 6. | I doubt whether he was there . 我拿不准他在不在那里。 |
| 7. | I doubt if he was there . 我拿不准他在不在那里。 |
| 8. | He said unsteadily . 他有些拿不准地说。 |
| 9. | He looked to the right and to the left, uncertain whither to fly . 他向左右两边张望,拿不准该往哪边逃。 |
| 10. | I doubt it . 我拿不准。 |