The new intern made an earnest effort to learn every step of the billing process.

新來的實習生認真努力，想學會帳單流程的每一個步驟。

During the meeting, the manager gave an earnest reply and stayed focused on the budget issue.

會議中，經理認真回應，並專注在預算問題上。

Our customer service team is earnest about resolving complaints within twenty-four hours.

我們的客服團隊認真看待客訴，力求在二十四小時內解決。