质问者

例句：

1. 1. The police questioned the suspect in the murder case.
   警方询问了这起谋杀案的嫌疑人。
2. 2.The teacher asked the students to raise their hands if they knew the answer.
   老师要求学生举手，如果他们知道答案的话。
3. 3. He is a questioner of facts, always seeking to challenge the established truths.
   他是一个事实质疑者，总是寻求挑战既定真理。