The idiom "nightmare dressed like a daydream" is used to describe something that seems like a dream or a pleasant fantasy, but turns out to be a nightmare. It suggests that an experience that started out as enjoyable or peaceful quickly turned into something unpleasant or frightening.

The idiom "you can't win them all" means that it is impossible to be successful or achieve everything you want, as some things are beyond your control. It is a reminder not to take success for granted and to recognize the limitations of what can be achieved.

The idiom "bent out of shape" is used to describe someone who is upset, angry, or agitated. It implies that the person's emotions are so strong that they have physically bent their body into an unusual shape.

The idiom "rest in peace" is used to express sympathy or comfort to someone who has lost a loved one. It is often accompanied by the acronym "RIP," which stands for "Rest in Peace." The literal meaning of the phrase is that the deceased person will find eternal rest and peace after death.

The idiom "love child" is used to refer to a child who is conceived out of wedlock, or as a result of an affair or adultery. It often implies that the parents were not legally married at the time of the birth of the child.