adv.缺乏自信地；踌躇地；羞怯地

He diffidently knocked on the door, unsure if he was at the right address.
他迟疑地敲了敲门，不确定是否来到了正确的地址。
She diffidently offered her opinion, afraid it might be criticized.
她犹豫地提出了自己的意见，担心可能会遭到批评。
The new employee diffidently asked for clarification on the task, not wanting to seem incompetent.
新员工羞怯地请求对任务进行说明，不想显得无能。
He diffidently approached the stage, his heart pounding with a mix of excitement and fear.
他惴惴不安地走上舞台，心中交织着兴奋与恐惧。
She spoke diffidently about her achievements, as if they were of little importance.
她谦逊地谈起自己的成就，仿佛那些并不重要。
The young artist diffidently presented his painting to the gallery owner, hoping for some recognition.
年轻的艺术家羞涩地将自己的画作展示给画廊老板，希望能得到一些认可。
He diffidently admitted that he had made a mistake, expecting harsh reprimand.
他忐忑地承认了自己的错误，预料会受到严厉的责备。
She diffidently asked if she could join the group, fearing rejection.
她羞怯地问是否可以加入这个团体，害怕被拒绝。
He diffidently suggested an alternative solution, not quite believing it was better than the one proposed.
他迟疑地提出了一种替代方案，不太相信它比已提议的更好。
She diffidently shared her dream of starting her own business, worried that others might think it unrealistic.
她羞怯地分享了自己创业的梦想，担心别人可能认为这不切实际。