揣测

例句：

1. 1. I'm not sure what happened, but I can guess that it was a mistake.
   我不确定发生了什么，但我猜那是个错误。
2. 2. The scientist made several guesses about the cause of the disease.
   科学家对这种疾病的原因进行了几次猜测。
3. 3. He made several guesses about the answer to the problem.
   他对这个问题的答案做出了几个猜测。