That was a conjecture, not a fact.那是推测, 不是事实。

The attitudes of others were matters of conjecture.别人的态度只是推测出来的东西。

Her mysterious friends were, Tim conjectured, probably women.蒂姆猜想, 她的那些神秘朋友很有可能是女性。

This may be true or partly true; we are all conjecturing here.这也许属实, 或部分属实, 我们都是在这里揣测。