中午好用英语翻译为：Good noon。
noon：n.正午；中午；
例：
（图片来自网络侵删）
She finally emerged from her room at noon.
中午，她终于从屋里出来了。
相关介绍Guests should check out of their rooms by noon.
客人必须在中午以前办理退房手续。
I'm leaving on the noon train.
我坐中午的火车走。
There's a connecting flight at noon.
中午有一趟相衔接的航班。
