擅

擅 [shàn] 动

1. ■ [书]

2. ■ （超越范围， 独断独行） arrogate to oneself; claim arbitrarily:

擅权 monopolize [usurp] power

3. ■ （长; 善于） be good at; be expert in:

不擅辞令 lack facility in polite or tactful speech;

不擅酬应 be not particularly good at casual conversation

副

1. ■ （擅自） do sth. on one's own authority ; arbitrarily:

擅作主张 make a decision without authorization; make an unilateral [arbitrary] decision