A group of words which have a different meaning when used together from the one they would have if you took the meaning of each word separately.
Phrasal Verb:
pick someone or something apart
Meaning / Example:
1. to pick at and pull someone or something to pieces. > The vultures attacked the hunger-weakened man and tried to pick him apart. > They tried to pick apart the body.
2. to analyze and criticize someone or something negatively. > You didn't review her performance; you just picked her apart.
Phrasal verbs, also called two-word verbs, are idiomatic expressions wherein the second element of the verb (the adverb or particle) is not necessarily predictable.