根据括号内所给的词语提示，翻译下列句子。
1. 他们有相当宽松的规定。(pretty relaxed)
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2. 我们从未不提前打电话就拜访朋友家。(without)
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3. 作为一名学生，你应该努力学习。(be supposed to)
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4. 你若晚到一会儿也不要紧。(a bit late)
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5. 吃太多的油和盐对我们的健康不利。(eating)
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1. They have pretty relaxed rules.
2. We never drop by a friend's home without calling first.
3. As a student, you are supposed to study hard.
4. It's OK if you arrive a bit late.
5. Eating too much oil and salt is bad for our health.
(答案不唯一)