塞

On the HSK 6 vocabulary list, at CEFR level C2.

sāi ㄙㄞ

- to plug to stop up to stuff in
- a stopper a cork
  bound form

sài ㄙㄞˋ

- strategic stronghold
  bound form

sè ㄙㄜˋ

- to block to obstruct
  bound form

Where 塞 is used

Example sentences and grammar articles using 塞

Sources