Meaning of zhì yí:
zhì yí
质疑
Verb
to call into question; to question (truth or validity)
Tā duì zhè ge jiélùn biǎoshì le zhìyí.
他对这个结论表示了质疑。
He expressed doubt about the conclusion.
Tā duì xīnwén de zhēnshíxìng tíchūle zhìyí.
他对新闻的真实性提出了质疑。
He questioned the authenticity of the news.