形容词
中文翻译：我不懂
同义词：
["I don't know", "I don't understand", "I can't figure out"]
例句：
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1. I don't know what happened to her.
我不知道她发生了什么事。
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2. He doesn't understand the concept of time.
他不理解时间的概念。
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3. She can't figure out how to solve this problem.
她无法解决这个难题。