How to say “We were nearly out of the checkout area when the cashier realized she'd scanned the cheese twice.” in Japanese
In Japanese
もうレジエリアを出ようとしてたら、店員さんがチーズを二回スキャンしたことに気づいたんだ。
Mō reji eria o deyō to shitetara, ten'in-san ga chīzu o nikai sukyan shita koto ni kizuita n da.