unexceptionable
01
无可挑剔的, 完美的
entirely satisfactory and acceptable, without any fault
例子
His behavior at the formal event was unexceptionable, earning him praise from everyone.
他在正式活动中的表现无可挑剔，赢得了所有人的称赞。
词汇树
unexceptionable
exceptionable
exception
except
