Tā / késou / shí / fāxiàn / tán / lǐ / dàizhe / xuè / sī / biàn / mǎshàng / qù / kàn / yīshēng

他咳嗽时发现痰里带着血丝，便马上去看医生。

When he noticed streaks of blood in his phlegm while coughing, he went to see a doctor immediately.