How's everything? 一切都好?
What's up? 近況如何?
What's new? 有什麼新鮮事?
What's happening? 在忙什麼?
How are you. 你好嗎?(任何時後都可以用,但比較見外)
Nice to meet you. 很高興見到你。(適用於第一次見面)
Nice to see you again. 很高興再見到你。(適用於曾經見過,但不太熟的人)
How have you been? 你過得怎麼樣?(適用於有一陣子沒見面的朋友)
Long time no see. 好久不見。(適用於很久沒見的朋友)