一 + 番 + Noun/Verb
The measure word 番 (fān) means "a round of," "a session of," or "a bout of." It is used before actions or experiences to indicate a period of effort or activity. For example, 一番努力 means "a round of effort" and 一番考虑 means "a bout of consideration."
经过一番讨论,大家终于达成了共识。
jīngguò yī fān tǎolùn, dàjiā zhōngyú dáchéng le gòngshí.
After a round of discussion, everyone finally reached a consensus.
他费了一番功夫才把门修好。
tā fèi le yī fān gōngfu cái bǎ mén xiū hǎo.
He went through a lot of effort to finally fix the door.
这番话让她感动得流下了眼泪。
zhè fān huà ràng tā gǎndòng de liú xià le yǎnlèi.
These words moved her to tears.