Well...
Well, that's a tough question.嗯…… 这是个难题。
You know...
You know, I'm not sure how to answer that right away. 你知道的，我不确定该怎么马上回答那个问题。
basically
Basically, I agree with you.基本上，我同意你的看法。
anyway
I don't agree with his methods, but anyway, he got the job done. 我不认同他的方法，但不管怎样，他把工作完成了。
Frankly
Frankly, I think we made a wrong decision. 坦白地讲，我觉得我们做了个错误的决定。
apparently
Apparently, he is very busy today. 显然，他今天很忙。
fortunately
Fortunately, we arrived there on time.幸运的是，我们按时到了那里。
unfortunately
Unfortunately, I missed the bus.不幸的是，我错过了公交车。
generally
Generally, I like reading books.一般来说，我喜欢读书。
personally
Personally, I prefer tea to coffee.就我个人而言，比起咖啡我更喜欢茶。
obviously
Obviously, he didn't tell the truth.很明显，他没有说实话。
undoubtedly
Undoubtedly, he is a very hardworking student.毫无疑问，他是个很勤奋的学生。
after all 毕竟；终究
We shouldn't be too hard on him. After all, he's just a kid. 我们不应该对他太苛刻。毕竟，他只是个孩子。