mā / ma / bǎ / xī / qín / qiē / chéng / xiǎo / duàn / zhǔn / bèi / hé / niú / ròu / yì / qǐ / chǎo

妈妈把西芹切成小段，准备和牛肉一起炒。

Mom cut the celery into small pieces and prepared to stir-fry it with beef.