tā / cháng / cháng / tí / qǐ / mǔ / qīn / de / qù / shì / shuō / nà / shì / zhōng / tiān / zhī / hèn

他常常提起母亲的去世，说那是终天之恨。

He often mentions his mother's death and says it is a lifelong regret.