Play dirty 耍猫腻，耍花招
Their team started playing dirty as soon as they fell behind.
Dirty word 脏话
You are not allowed to use dirty words in your school essays.
Talk dirty 说下流话
That creepy old man is always talking dirty to me, I can't stand it!
Give somebody a dirty look
I must have done something really offensive last night because Mike keeps giving me dirty looks.
Dirty v. 弄脏
Don't sit on the floor - you might dirty yourdress.别坐在地板上——会弄脏你的裙子的。