like lambs to the slaughterhouse

Like lambs to the slaughterhouse is an idiom which is referring to doing something quietly and without realizing the difficulties or dangers of any given situation. Literally, lambs going to a slaughterhouse do so in a very quiet and calm manner because they are not aware of what is about to happen to them. When used figuratively, this phrase refers to any type of situation in which you are quiet and calm because you dont have all the facts.