English:an unoffended way to describe a person who is dirty or makes himself/herself dirty. Normally it is used in between those with a close relationship (parents to children / between couple or close friends); literally "dirty cat"
English:(slang) to collaborate with a partner in crime on a lie in order to avoid a problem or to trick someone; to put on an act together to try and cover up something
English:(slang) rascally; scoundrelly; roguish; to not admit failure by giving many excuses; to refuse to acknowledge that one has lost a game; to deny that one has made a promise; to act as if something never happened
English:to be scolded / told off by someone, normally used in the workplace where a staff member that has made mistakes is being told off by his/her superior