1) That, I should say, is true
那大概是事实吧。
2) It was quite an event.
那确实是件大事。
3) Perhaps it was the day before yesterday.
大概是前天吧。
4) He acknowledged it to be true/that it was true.
他供认那是事实.
5) to know for a fact
知道那是事实
6) That is the case.
事实就是那样。
补充资料：大概
副词。表示不很精确的估计：老校长大概五十来岁｜乌云满天，大概要下雨了。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条