earnest and serious

• 严肃认真

earnest and serious的用法和样例：

例句

1. And I wish to emphasize the seriousness of these proposals.
   我要强调我这些建议是严肃认真的。
2. The serious man considers such things as parties to be complete futility.
   严肃认真的人认为参加舞会这类事毫无意义。