擅翻译

英语翻译：

arrogate to oneself; be good at

例句：

1. 他因擅离职守而被降级（为下士）。
   He was busted (to corporal) for being absent without leave.
2. 无通行证者不得擅入军事基地。
   You cannot enter a military base without a permit.
3. 她未请示上级擅自把所有这些请柬都发了出去。
   She issued all these invitations without any reference to her superiors.
4. 他们未经许可擅入该地。
   They entered the area without permission.