someone or something that doesn't fit or belong in a particular place or situation
特定の場所や状況に合わない、またはそこに属さない人や物 (tokutei no basho ya jōkyō ni awanai, mata wa soko ni zokusasenai hito ya mono)
"Putting a modern building in a historical district is like trying to fit a square peg in a round hole."
"歴史的な地区に現代的な建物を建てることは、まるでsquare peg in a round holeを試すようなものです。" (rekishiteki na chiku ni gendaiteki na tatemono o tateru koto wa, marude **square peg in a round hole** o tamesu yōna mono desu.)
to boost someone’s confidence or enthusiasm
extremely intense and ruthless competition
to reduce choices to a smaller number
to be motivated by strong enthusiasm or love for something
having a lot of money
so stressed or tired that one can hardly cope