表示惊讶
示例
A：She married a man who is 20 years older than her.
B：By Golly! Is that true?
A：她和比她大20岁的男人结婚了。
B：天哪！真的吗？
A：By Jove! Look at that big ant.
B：Well, are you sure it is an ant?
A：天哪，你看那蚂蚁多大？
B：呃，你确定那是蚂蚁？