HSK C7-9
Correct

/ shàn /
Strokes

Definition

without authority/to usurp/to arrogate to oneself/to monopolize/expert in/to be good at

Example

As a Verb

arrogate (sth) to oneself; monopolize

As a Verb

do sth without the approval or prior knowledge of one's superior; do sth on one's own authority

As a Verb

be good at; be expert in; be versed in