rú / guǒ / nián / tán / chí / xù / hǎo / jǐ / tiān / zuì / hǎo / jí / shí / qù / yī / yuàn / jiǎn / chá

如果黏痰持续 plusieurs天，最好及时去医院检查。

If sticky phlegm continues for several days, it is best to get checked at a hospital promptly.