Meaning of zhèng yào:
zhèng yào
正要
Adverb
to be just about to; to be on the point of
Tā zhèng yào chūmén de shíhòu, tūrán xià qǐle yǔ.
他正要出门的时候，突然下起了雨。
He was just about to go out when it suddenly started to rain.
Wǒ zhèng yào qù chāoshì mǎi dōngxī.
我正要去超市买东西。
I am just about to go to the supermarket to buy something.
