tā / huí / dá / wèn / tí / shí / zǒng / shì / lí / xián / zǒu / bǎn / ér / hěn / nán / zhuā / zhù / zhòng / diǎn

他回答问题时总是离弦走板儿，很难抓住重点。

He always goes off topic when answering questions, making it hard to identify the main point.