塞
sāisàisè HSK6

stop up

塞 sāi frequency
stuff verb
to plug, stop up, or cram something into a space

他的口袋里塞满了零食。

tā de kǒu​dài lǐ sāi mǎn le líng​shí.

His pockets are stuffed with snacks.

stopper noun
a plug or cork used to seal an opening or container

瓶塞太紧了，我拔不出来。

píng sāi tài jǐn le, wǒ bá bù chu​lai.

The cork is too tight; I can't pull it out.

塞 sài
stronghold noun
strategic stronghold

这座古城自古以来就是军事要塞。

zhè zuò gǔ​chéng zì​gǔ​yǐ​lái jiù shì jūn​shì yào sài.

This ancient city has been a military fortress since ancient times.

塞 sè
block verb
(bound form) to block; to obstruct

这里的交通发生了严重的阻塞。

zhè​lǐ de jiāo​tōng fā​shēng le yán​zhòng de zǔ sè.

There is serious traffic congestion here.

Frequency
Character
Written text
1,080th most common 137.4 per million
Movie subtitles
956th most common 113.3 per million appears in 32% of films
Word
Movie subtitles
50.9 per million appears in 18% of films
Written text
45.8 per million

Details
HSK 2.0
Level 6
HSK 3.0
Level 6
Strokes
13
Unicode
U+585E

Sources
Definitions
CC-CEDICT
Frequency data
MTSU Chinese text computingSUBTLEX-CHBCC Corpus (BLCU)