adj.不合时宜的，不相称的，不得体，不合适的，不恰当，不可接受

Her behavior at the party was quite unbecoming for a lady of her stature.
她在派对上的举止对她这样的女士来说很不得体。
It is unbecoming for a teacher to lose their temper in front of students.
老师在学生面前发脾气是不恰当的。
His constant complaining about minor issues is unbecoming of a team leader.
作为团队领导，他持续抱怨琐碎问题显得不合适。
The politician's scandalous actions were thoroughly unbecoming of his position.
这位政治家的丑闻行为完全不符合他的职位。
It is unbecoming to speak ill of others behind their back.
在背后说人坏话是不得体的。
The untidiness of his office is rather unbecoming for a professional.
他的办公室凌乱不堪，对一个专业人士来说不太合适。
A gentleman should never engage in unbecoming behavior, even in private.
一位绅士不应该表现出不得体的行为，即使是在私下里。
Her impatience with the elderly was most unbecoming.
她对老年人的不耐烦非常不得体。
The athlete's unsportsmanlike conduct during the match was unbecoming of a champion.
运动员在比赛中的非体育道德行为不符合冠军的风范。
His constant bragging about his wealth is quite unbecoming.
他老是炫耀自己的财富，实在不大得体。