butt in

基本解釋

It was none of her concern, so she didn't butt in.
跟她毫無關系，因此她不得干涉。
I will not pick my nose or scratch my butt in public.
我不會在公共場合挖鼻孔或者撓屁股。
He was going to butt in when his mother darted a look of disapproval at him.
他剛要插嘴，媽媽瞥了他一眼。
《新英漢大辭典》

His grandmother is washing him and his brother in the tub, and she's washing his butt, and he says to her, "When you're finished, kiss back there."
他祖母幫他擦屁股時，他兄弟也在浴缸里，他對祖母說，：,“洗完澡你要親我的屁股，“
耶魯公開課 - 1945年后的美國小說課程節(jié)選
If I strike you in a vulnerable place with a stick that has a bronze butt on it, it could well kill you.
如果我用一根有銅質尾部的棍子,刺你的軟肋的話,很可能就是一擊必殺
耶魯公開課 - 古希臘歷史簡介課程節(jié)選
In addition, it had a butt made also of bronze, which could be a lethal weapon.
另外,它的尾部也是銅質的,同樣也可作為一種有力的武器
耶魯公開課 - 古希臘歷史簡介課程節(jié)選

Below are the 10 things to avoid if you want to kick butt in business.
FORBES: 10 Business Mistakes Every Entrepreneur Can Avoid

If you say that someone is butting in, you are criticizing the fact that they are joining in a conversation or activity without being asked to.