深疑

例句：

1. 1. He was deeply skeptical about the new policy.
   他对新政策持怀疑态度。
2. 2. The scientist spent hours deep in thought before making a decision.
   科学家在做出决定前花了很多时间深思熟虑。
3. 3. She had deep suspicions about the company's financial statements.
   她对公司的财务报表持有深深的怀疑。