int.喂,哈罗;
例句:
Hallo , Susi , actually, we have already meet.
你好,苏西, 实际上我们已经见过面了.
Hallo. David Black speaking.
喂, 我是戴维·布菜克.
Hallo! How are you today?
喂! 你今天好 吗 ?