动词短语
中文翻译：在
同义词：
['be strong in', 'be steadfast in']
例句：
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1.We should be firm in our decision to continue the project.
我们应该在我们继续这个项目的决定上坚定。
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2.She was firm in her belief that education is the key to success.
她坚信教育是成功的关键。
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3. The company was firm in its commitment to sustainability and environmental protection.
公司对可持续性和环境保护的承诺坚定不移。