他咧嘴笑着挥手和他们打招呼。

He greeted them with a wave and a broad smile.

《柯林斯英汉双解大词典》

当他们到达中餐馆时，一个服务员在门口迎接他们，并微笑着和他们打招呼。

When they arrived at the Chinese restaurant, a waiter met them at the door and greeted them with a smile.

youdao

有时我们见到一些陌生人太多次，所以我们很熟悉他们的脸，但我们甚至从来没有跟他们打招呼。

Sometimes we see some strangers so many times that we know their faces well, but we never even say hello to them.

youdao

I don't know. They just don't really, they're not really used to like, saying hi and you know.

他们不太喜欢打招呼。

流浪者们很奇怪 - SpeakingMax英语口语达人