Theretofore
adv. 在那以前, 到那时为止
🗣️ 情景例句
I would be happy to show you around.
我很乐意带你到四周看看。
Please don't bother me now.I'm very busy.
现在请别麻烦我，我很忙的.
He doesn't care about me.
他并不在乎我。