- 头一遭 tóuyīzāo first timethe very first time; for the first time in one's life
- 破题儿第一遭 pòtírdìyīzāo first time everUsed to describe something that is happening for the very first time in one's life or experience.
- 一遭生，两遭熟 yīzāoshēngliǎngzāoshú strangers first, friends latera relationship develops quickly; to be strangers at the first meeting but familiar by the second
