chǎo / niú ròu / qián / wǒ / jiā / le / yì diǎn / nèn ròu fěn / ròu zhì / biàn de / hěn / nèn

炒牛肉前，我加了一点嫩肉粉，肉质变得很嫩。

Before stir-frying the beef, I added a little meat tenderizer powder, and the meat became very tender.