Vocabulary - Idioms 07

let the cat out of the bag to reveal a secret, often by mistake speak of the devil used when a person that was just mentioned suddenly appears under the weather to feel slightly ill; not feel completely well beat around the bush to avoid talking about an important or embarrassing topic (as) fit as a fiddle very healthy; physically fit straight from the horse’s mouth receiving information directly from the source a bitter pill (to swallow) something unpleasant that is difficult to accept draw a line to distinguish between two things off (one’s) rocker crazy or insane