Meaning of zhāo hu:
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
Tā zài jiē shàng kànjiàn le péngyǒu, lìkè dà shēng de xiàng tā dǎzhāohū.
他在街上看见了朋友,立刻大声地向他打招呼。
He saw his friend on the street and immediately called out to him loudly.
Tā kàn dào wǒ jiù lìkè xiàng wǒ dǎ le ge zhāohu.
他看到我就立刻向我打了个招呼。
He immediately greeted me when he saw me.
Měi cì jiàn dào línjū, wǒ dūhuì rèqíng de hé tāmen zhāohu.
每次见到邻居,我都会热情地和他们招呼。
Every time I see my neighbors, I greet them warmly.
Qǐng nǐ tíqián zhāohu wǒ yīxià.
请你提前招呼我一下。
Please inform me in advance.
Tā zǒng shì hěn rèqíng de gēn kèrén dǎ zhāohu.
他总是很热情地跟客人打招呼。
He always greets guests warmly.
Qǐng zhāo hu yīxià kè rén.
请招呼一下客人。
Please take care of the guests for a moment.