adjective🔗Share不真面目な, 軽薄なNot serious; flippant"Even though the test was important, Mark gave an unserious answer to the professor's question, making everyone laugh. "テストは重要だったにもかかわらず、マークは教授の質問に不真面目な答えをし、皆を笑わせた。attitudecharactermindqualityChat with AIVocabulary GamePractice Reading