In this lesson, you will learn 8 expressions related to animals. br br chicken (noun) br If a person is a chicken, he or she is not brave.br A chicken is someone who is scared.br br to chicken out (phrasal verb)br = to not do something because you are too scaredbr br crocodile tearsbr = tears that you cry when you are not really sad or sorry.br = a false and insincere display of emotion.br br top dog br = a person with a high position of authority or status.br br doggy bagbr In a restaurant, if you don’t finish your food, they will put it in a doggy bag for you.br (This is very common in America)br br the elephant in the roombr = The problem that nobody wants to discuss. br  = The subject of conversation that everybody is avoiding. br br straight from the horse’s mouthbr = Information that has come directly from the source.