短语中文翻译
中文翻译：对
同义词：
['be without knowledge', 'be ignorant of something', 'be unaware of']
例句：
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1. He wasignorant of the dangers of smoking.
他对吸烟的危险一无所知。
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2. The teacher was ignorant of the students' needs.
老师对学生的需求一无所知。
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3. She was ignorant of the fact that she had been fired.
她不知道她已经被解雇了。