How to say “The guy at the stall picked out this pineapple for me and swore it was sweet. It wasn't.” in Japanese
In Japanese
屋台のおじさんがこのパイナップルを選んでくれて、絶対甘いって言い切ってたのに。全然甘くなかった。
Yatai no ojisan ga kono painappuru o erande kurete, zettai amai tte iikitteta noni. Zenzen amakunakatta.