1. I can't fathom how he managed to solve such a complex problem in such a short time.
2. She tried to fathom the meaning of his words, but it was too abstract for her to grasp.
3. Scientists are still trying to fathom the mysteries of the universe.
4. It was impossible to fathom his intentions, as he kept his plans hidden from everyone.
5. The complexity of the legal system sometimes makes it difficult to fathom how it all works.
6. After spending hours analyzing the data, we finally began to fathom the pattern behind the phenomenon.
7. She had a difficult time fathoming how to approach the task, as it required a different approach than she was used to.
8. The professor's lecture was so fast-paced that some students struggled to keep up and fathom all the information.
9. He tried to fathom why she was acting so strangely, but he couldn't find any explanation.
10. The book provided insights into a culture that was difficult to fathom without firsthand experience.