買かい換かえる

ichidan verb, transitive verb

replace by buying new; buy a replacement

Used when you discard or sell an old item and purchase a new one to take its place. The object is the old item or the category of item being replaced.

• 古ふるいスマホを新あたらしい機き種しゅに買かい換かえた。

  I replaced my old smartphone with a new model.

• 車くるまを買かい換かえるかどうか迷まよっている。

  I'm hesitating about whether to replace my car.