堵 塞

dǔsè

“To clog up” in Chinese is 堵塞 (dǔsè).

Meaning

to clog up
blockage

Example

市中心的交通都堵塞了。

Traffic downtown is all backed up.

Example sentence from Tatoeba (CC BY 2.0).

Characters

dǔHSK 411 strokesto block up (a road, pipe etc)sāiHSK 613 strokesto plug; to stop up; to stuff in

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