哦，也许我错了。
Oh, maybe I was wrong.

哦，真不走运。
Oh, that's tough luck.

哦，实际上很乏味的。
Oh, they are very dull actually.

哦，太好了！
Oh, how nice!

哦，讨厌！
Oh, bother!

哦，好极了。
Oh, that's marvelous.

哦,就是一杆把球打到那个洞里面,非常的酷哦。
It means the ball went into the hole in only one shot.

哦，对，我需要你在我的微积分试卷上签字。
I need you to sign my calculus test.

我知道哦啊很可能因为一个小小的失误，而会失去一位大客户。
I know such a big account could easily be lost through a tiny mistake.