Common Meanings
1
jiàn僭
To overstep one's bounds; to usurp or presumptuously appropriate what belongs to a superior or what one is not entitled to, especially in terms of titles, rituals, or objects.
他未经许可便擅自僭用公司的标志，这明显违规。
He presumptuously used the company's logo without permission, which is a clear violation.