When something goes unchallenged or is unchallenged, people accept it without asking questions about whether it is right or wrong.
例句
These views have not gone unchallenged...这些观点并非没有受到质疑。She couldn't let that pass unchallenged.她不能让它无异议地通过。
ADJ
未受到挑战的；稳固的
If you say that someone's position of authority is unchallenged, you mean that it is strong and no one tries to replace them.
例句
He is the unchallenged leader of the strongest republic.他是这个最强大的共和国的绝对领袖。...the man who has led his party unchallenged for over thirty years.稳固地领导其政党长达30多年的人物
ADJ
未被盘问的；未受到质疑的
If you do something unchallenged, nobody stops you and asks you questions, for example about who you are or why you are doing it.
例句
I managed to walk around unchallenged for 10 minutes before an alert nurse spotted me.我四处走动了10分钟，没有受到查问，之后一位警觉的护士发现了我。