要是不小心，就打你的屁股。

You'll get a smack on your backside if you're not careful.

《牛津词典》

在人体内，你的下巴相对于屁股距离你的舌头更近；而在运动皮层与感觉皮层上的位置关系也是如此。

Your tongue is closer to your jaw than it is to your hip in the body; so too in both the motor cortex and the somatosensory cortex.

youdao

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

So, your tongue is closer to your jaw than it is to your hip in the body; so too in both the motor cortex and the somatosensory cortex.

所以相对于屁股,你的下巴在身体上距离你的舌头更近,而在运动皮层与感觉皮层上的位置,也是这样对应着的

耶鲁公开课 - 心理学导论课程节选