认真庄重: serious 例:a serious look, I'm serious. I want to marry you.热心刻苦: earnest 例: I settled down to study in earnest for the examination.坚定不移:determined 例: I'm determined to succeed.真诚而不只是装模样:例:a sincere interest in music.
serious 认真的 earnest 认真的 conscientious 认真的 I like earnest pupils. 我喜欢认真的学生 I mean it. I'm serious. I'm no kidding! 我是认真的He's changed into a conscientious worker. 他已成为一个工作认真的人了。