有疑问吗？
Yǒu yíwèn ma?
Any questions?
他有一个疑问。
Tā yǒu yí gè yíwèn.
He has a question.
我有疑问。
Wǒ yǒu yíwèn.
I have doubts.
对结果有疑问。
Duì jiéguǒ yǒu yíwèn.
(I) have doubts about the result.
