招呼 - Hanping Chinese Lookup

招呼

to call out to
to greet
to say hello to
to inform
to take care of
to take care that one does not

Example sentences

我当时有事在身，没有和他打招呼。
wǒ dāngshí yǒushì zài shēn, méiyǒu hé tā dǎzhāohu.
I was busy and didn't say hello to him