I'm doubtful of what he said.

怀疑他所说的话。

youdao

He was doubtful of the patient's recovery.

他怀疑病人是否痊愈。

youdao

Most netizens were doubtful of the necessity of this costly public washroom.

大多数网民质疑有没有必要设立这么昂贵的公厕。

youdao

Most netizens were doubtful of the necessity of this costly public washroom.

大多数网民质疑有没有必要设立这么昂贵的公厕。

youdao