擅
shàn HSK7

monopolize

擅 shàn
arrogate adverb
to act without authority, to usurp power, or to monopolize for oneself

未经相关部门批准，任何人都不得擅改合同内容。

wèi jīng xiāng​guān bù​mén pī​zhǔn, rèn​hé rén dōu bù dé shàn gǎi hé​tong nèi​róng.

No one is allowed to alter the contract without authorization from the relevant departments.

excel in verb
to be skilled at or an expert in a particular field or activity

他不仅博学多才，而且极擅辞令，非常有口才。

tā bù​jǐn bó​xué​duō​cái, ér​qiě jí shàn cí​lìng, fēi​cháng yǒu kǒu​cái.

He is not only knowledgeable but also very eloquent.

Frequency
Character
Written text
2,377th most common 22.6 per million
Movie subtitles
1,674th most common 32.9 per million appears in 19% of films
Word
Movie subtitles
4.95 per million appears in 2% of films
Written text
3.72 per million

Details
HSK 2.0
Level 6
HSK 3.0
Level 7
Strokes
16
Unicode
U+64C5

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