認真的英文單詞2，認真的認真英文怎么說1，認真的英文單詞careful（形容詞）認真的carefully（副詞）認真地care（動詞）在意careful.認真的認真seriousearnestconscientious2，認真的認真英文怎么說careful或earnest都可以（adj）graveness（n）認真,勤奮diligent認真（帶嚴肅）serious~~~~~認真的demureearnestseriousserious-mindedstaid認真earnestgravenessstaid...