擅[shàn] 基本解释：
新英汉大词典：
- 擅[shàn]
- 动词- （超越范围，独断独行） arrogate to oneself; claim arbitrarily:
monopolize [usurp] power擅权
- （长; 善于） be good at; be expert in:lack facility in polite or tactful speech;不擅辞令
be not particularly good at casual conversation不擅酬应
- 副词- （擅自） do sth. on one's own authority ; arbitrarily:
make a decision without authorization; make an unilateral [arbitrary] decision擅作主张
以上内容来源于：《新汉英大辞典》
例句与用法：
He was busted (to corporal) for being absent without leave.
You cannot enter a military base without a permit.
They entered the area without permission.
擅的其他解释: