New Words：

confident ['kɑnfidənt] adj. 自信的；有自信心的；肯定的；确信的
be confident of 确信

Sample Sentences：

They are confident of success.
He is confident of passing the examination.
He is quite confident that he will pass the examination.
Your encouragement made me more confident of my future.
We need a confident leader to overcome these difficulties.

encouragement [in'kʌridʒmənt] n. 鼓励, 激励
overcome [.əuvə'kʌm] vt. 战胜, 克服

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