"上午好"用英语可以表示为"Good morning"。这个短语的来源可能源自拉丁语"mattūnus"，意为"清晨"。

例句：

Good morning, how are you today? (上午好，今天过得怎么样？)

I always have a cup of coffee in the morning. (我总是早晨喝杯咖啡。)

The morning is the best time to get things done. (上午是做事的最佳时间。)