tā / cóng / xiǎo / jiù / mèng / xiǎng / chéng / wéi / yì / míng / gē / shǒu / hòu / lái / tōng / guò / xuǎn / bá / chéng / wéi / le / liàn / xí / shēng

她从小就梦想成为一名歌手，后来通过选拔成为了练习生。

She had dreamed of becoming a singer since childhood and later became a trainee through an audition.