"Doubtfully" Natural Recordings by Native Speakers
In a doubtfully manner means in a way that shows uncertainty or hesitancy, often because there is not enough evidence or information to be confident about something.
Doubt is a noun that refers to a feeling of uncertainty or questioning about the truth or existence of something. It can also refer to a lack of confidence or conviction in one's own opinions, abilities, or decisions. When someone expresses doubt, they may be questioning the validity of information, the reliability of a source, or the accuracy of a statement.
Doubts are feelings of uncertainty or lack of confidence about something, which can range from mild uncertainty to strong skepticism.