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."

他祖母帮他擦屁股时，他兄弟也在浴缸里，他对祖母说，：,“洗完澡你要亲我的屁股，“

耶鲁公开课 - 1945年后的美国小说课程节选

If I strike you in a vulnerable place with a stick that has a bronze butt on it, it could well kill you.

如果我用一根有铜质尾部的棍子,刺你的软肋的话,很可能就是一击必杀

耶鲁公开课 - 古希腊历史简介课程节选

In addition, it had a butt made also of bronze, which could be a lethal weapon.

另外,它的尾部也是铜质的,同样也可作为一种有力的武器

耶鲁公开课 - 古希腊历史简介课程节选