There have been reports that she is going to resign, but it's mere speculation at the moment.有报道说她准备辞职，不过目前这仅仅是一种猜测。That was merely a guess of mine.那只是我的一种猜测。Long-term forecasts were largely a matter of guesswork.远期预测在很大程度上是一种猜测。Police are working on the theory that the murderer was known to the family.警方的工作基于一种猜测，即凶手是那家人的熟人。