JLPT N3
～られてしまう
～ was done by someone else and it inconvenienced you. Using the passive form with Personに or Objectを has a strong negative connotation. られちゃう is the shortened, casual form of られてしまう.
Structure / Usage
（Personに）（Objectを）
V-られてしまう
Example Sentences
プレゼントでもらったケーキを弟に食べられてしまった。
The cake I received as a present was eaten by my younger brother.
わざと作ってあげたのにピザが嫌いと言われてしまった。
Although I made it for her, she said she doesn't like pizza.