idiom
square peg in a round hole
alguien o algo que no encaja o no pertenece a un lugar o situación particular
Meaning
someone or something that doesn't fit or belong in a particular place or situation
Example
Putting a modern building in a historical district is like trying to fit a **square peg in a round hole**.
Poner un edificio moderno en un distrito histórico es como intentar encajar un **square peg in a round hole**.