形容词
中文翻译：Unknown
同义词：
['unexplainable', 'unjustifiable', 'indefensible例句：1. The case was so complicated that it was impossible to explain to anyone.（这个案件如此复杂，以至于无法向任何人解释。）']
例句：
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1. The case was so complicated that it was impossible to explain to anyone.
这个案件如此复杂，以至于无法向任何人解释。
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2.The reason for his behavior was inexpiable; he had no explanation for his actions.
他的行为是无法解释的，他对自己的行为没有任何解释。
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3. The police were unable to find any evidence to justify the suspect's inexpiable behavior.
警方无法找到任何证据来证明嫌疑人不可解释的行为。