臆测

例句：

1. 1. He made an educated guess about the outcome of the election.
   他对于选举的结果做出了一个有根据的猜测。
2. 2. The scientist made several conjectures about the cause of the disease.
   这位科学家对这种疾病的原因提出了几个假设。
3. 3. Based on his observations, he made some educated guesses about the weather forecast.
   基于他的观察，他对天气预报做出了一些有根据的猜测。