noun 下载 🔗分享 认真,诚恳,热忱。 The quality of being earnest; sincerity; seriousness. Examples : "Her earnestness during the presentation convinced the boss to approve the new project. " 她在报告时表现出的认真劲儿打动了老板,最终批准了新项目。 character quality attitude moral emotion being mind 与AI对话词汇游戏阅读练习