He has such a filthy mouth for such a young boy. 这么年轻的男孩子, 嘴巴却不干不净.
He's demented. 他的思路歪了. How insensitive you are! 你太麻木不仁了!
He's a real comedian. 他真是个小丑. Let's spice things up a bit. 咱们把场面弄得生动些. Mooning is a typical prank among college students. 故意在窗口露出臀部, 是大学生典型的闹剧之一. A:Please take your seats. 请就座.
B:Where should we take them? 你要我们把椅子拿到哪里?
