动词短语
中文翻译：对
同义词：
['be confident of', 'be sure of例句：1. I am very confident that you will succeed in your project.（我非常相信你们在项目中会成功。）']
例句：
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1. I am very confident that you will succeed in your project.
我非常相信你们在项目中会成功。
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2. He was confident of his ability to solve the problem.
他对自己解决问题的能力很有信心。
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3. The new policy is expected to be confident of its effectiveness.
新政策预计将对其有效性充满信心。