名词
中文翻译：硬性规定
同义词：
['strict rule', 'stringent rule']
例句：
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1.The company has a hard rule against smoking in the office.
该公司有一个严格的规定，禁止办公室内吸烟。
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2. This is a hard rule that we must follow.
这是我们必须遵守的严格规定。
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3.The new policy is a hard rule for all employees to comply with.
新的政策对所有员工来说都是一个必须遵守的严格规定。