tā / yī / kāi / kǒu / jiù / shì / kū / qiāng / dà / jiā / mǎ / shàng / zhī / dào / tā / shòu / le / wěi / qū

她一开口就是哭腔，大家马上知道她受了委屈。

She spoke in a sobbing tone, so everyone immediately knew she had been wronged.