Level 4 · word 5,351 of 20,000
doubtful
/ˈdaʊtfəl/
American
- adj. 不确定的, 可疑的
- Definition
- adj. not sure or certain about something
- Example
- I'm doubtful that we can finish the project by tomorrow.
- 我很怀疑我们能不能在明天之前完成这个项目。