堵塞 dǔ sè to clog upblockage Example sentences 这条路经常交通堵塞。 zhètiáo lù jīngcháng jiāotōng dǔsè. This road often has traffic jams 由于前面交通堵塞,我们不得不走别条路。 yóuyú qiánmiàn jiāotōng dǔsè, wǒmen bùdébù zǒu bié tiáo lù. There's a traffic jam ahead, we should take a different road