tā / shuō / pǔ / tōng / huà / shí / cháng / cháng / jiā / zhuàng / wài / dì / rén / yì / tīng / jiù / zhī / dào

他说普通话时常常夹壮，外地人一听就知道。

When he speaks Mandarin, he often speaks with a Zhuang accent, which outsiders can recognize immediately.