如果战势恶化，军队可能得到增援，或不光彩地撤退。If fighting worsens, the troops might be reinforced, or ingloriously withdrawn.这些经销商通过损害我家人的利益不光彩地赚钱。The dealers profited shamefully at the expense of my family.他的副总统也被迫不光彩地辞去职务。His vice president...

“不光彩”的英语可以翻译为：disrepute ...