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- It's none of your business. You must keep silent about it. 此事与你无关,你必须保持缄默。
- You must keep silent. 你们必须保持安静。
- You must learn when to speak and when to keep silent. 你必须学会知道什么时候讲话,什么时候沉默。
- I'll meet you there, but you must keep time. 我将在那里和你碰头,但你要准时来。
- Whatever may happen, you must keep calm. 不论什么事发生,你必须保持冷静。
- You must learn when to speak and when to keep silent . 你必须学会知道什么时候讲话,什么时候沉默。
- You must keep your mind on your work. 你必须专心工作。
- You must keep your clothes clean. 你必须保持衣着整洁。
- You must keep your dog on a lead in the park. 在公园里要牵著你的狗。
- You must keep sight of one fact: your life is in danger. 有一件事你必须明白,你有生命危险。
- You must keep your hopes within reasonable bounds. 你必须把你的希望寄予合理的范围之内。
- You must keep the little boy from hurting himself. 你一定要提防那小男孩伤了自己。
- I am serious; you must keep you word. 我是认真的,你必须说话算数。
- You must keep the appointment in any case. 您无论如何也要赴约。
- You must keep your father off strong spirits. 你必须让你父亲戒绝烈酒。
- You must keep your exercise-books clean and tidy. 要保持本子干净整洁。
- You must keep away from the dog. 你千万别靠近那条狗。
- Keep silent! I don't want you to throw me out. 安静,我希望你别打扰我。
- You must keep your cool when the baby is crying. 孩子哭的时候,你一定要冷静。
- Would you be good enough to keep silent? 请你保持安静好吗?