Born Yesterday

Etymology:

• This idiom was used for the first time in the 18th century. This idiom was used to refer to young babies, who did not have any knowledge or experience of life. Late this idiom was used on different platforms to describe a person, who did not have much knowledge about life. Or a person was not polished enough through different experiences of practical life to make right decisions. There are many people, who do not have enough knowledge about the practicalities of life.