來自LingQ圖書館的示例
重覆密碼
- a doubtful mind
- and doubtful about what we can achieve to put their hands on the arc of history
- insecure and doubtful.
- It means, to be a bit sceptical, a bit doubtful, not to accept something
- doubtful about
- It is actually doubtful
- a bit doubtful, not to accept something
- so the whole identification affair seems doubtful
- Even he, perhaps, had been doubtful as to the crew
- - denote doubtful accuracy
