无疑用英语短语怎么说呢

"Without a doubt" is a common Engpsh phrase that can be used to express strong conviction or certainty about something. In Chinese, this phrase could be translated as "毫无疑问" or "毫不怀疑".

For example:

"Without a doubt, he is the best candidate for the job."

"毫无疑问，他是最佳人选。"