To not commit the slightest offense; to maintain strict discipline and not infringe upon even the smallest interest of the people; to be scrupulously fair and not take anything unlawfully.
这支队伍纪律严明，所到之处，秋毫不犯，深得当地居民的赞扬。
This team maintained strict discipline; wherever they went, they did not commit the slightest offense, earning high praise from the local residents.
Next Idiom