liè chē / jí jiāng / kāi dòng / mǔ qīn / wò zhe / ér zi / de / shǒu / jiǔ jiǔ / shuō bu chū / xī bié de huà

列车即将开动，母亲握着儿子的手，久久说不出惜别的话。

The train was about to depart, but the mother held her son's hand and could not bring herself to say goodbye for a long time.