used to say hello politely when people first see each other in the morning; sometimes also used formally when people leave each other in the morning (上午見面時用語,非正式場合常說 Morning)早上好,上午好,你(們)好;(有時用作上午告别時的正式用語)再見 He didn't even say ‘Good morning’. 他甚至連“早上好”都沒說。