不光的用法和样例：
例句
-
那部长很不光彩地背离了他原先的立场。
The minister made an undignified retreat from his earlier position. -
他因受贿而不光彩地辞职了。
He quit in disgrace over the bribe. -
他那不光彩历史的揭露导致了他的辞职。
The revelation of his scandalous past led to his resignation. -
不光是祖父母，连姑母、叔父及其子女也在那里。
Not only the grandparents are there but also the aunt, uncles and cousin.
