tā / yì / kāi kǒu / jiù / pǎo tí / wǒ / gǎn jǐn / gěi / tā / dì yǎn sè / tí xǐng / tā / huí dào / zhǔ tí

他一开口就跑题，我赶紧给他递眼色，提醒他回到主题。

As soon as he started speaking, he went off topic, so I quickly gave him a meaningful look to remind him to return to the subject.