这么年轻的女孩, 她竟然知道许多低俗的字眼.For such a young girl, she knows a lot of four - letter words.但是,话说回来, 世界最古老的职业向来就是低俗的.But then, the world oldest profession has always been a bit tawdry.请不要用你低俗的幽默来扰乱课堂秩序.Please don't disrupt ...