This is the 2017th most frequent Chinese word.
質疑
"質疑" means to question or challenge something.
The term "質疑" here is used in the context of expressing doubt toward a theory or idea, indicating critical thinking or skepticism.
他對這個理論提出了質疑。
He questioned this theory.
In this sentence, "質疑" is used to describe the act of not expressing doubt or objection toward a decision, showing acceptance or agreement.
她沒有質疑我的決定。
She did not question my decision.
Here, "質疑" is used to represent students critically examining or doubting the authenticity or correctness of textbook information.