tā / zuì / tǎo / yàn / tóng / shì / zài / bèi / hòu / chuō / jǐ / liang / shuō / yì / xiē / nán / tīng / de / huà

他最讨厌同事在背后戳脊梁，说一些难听的话。

He hates it when colleagues criticize him behind his back and say nasty things.