名词
中文翻译：Unknown
同义词：
['action', 'conduct', 'performance']
例句：
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1. She has a jactance that is always impeccable.
她的举止总是无可挑剔。
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2. The jactance of the new president was met with mixed reactions.
新任总统的行为引起了不同的反响。
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3. His jactance on the issue was highly praised by the audience.
他在这个问题上的表现受到了观众的高度评价。