Definition
An exclamation used to express surprise or astonishment.
（表示驚訝）哎呀！天啊！
By gum, you actually passed the exam!
天啊，你居然通過了考試！
By gum, I've never seen such a large diamond.
天啊，我從未見過這麼大的鑽石。
By gum, this cake is absolutely delicious!
天啊，這蛋糕真是太好吃了！