He keeps making the same mistake over and over again.

I have been to Buenos Aires.

My friend came from Buenos Aires.

He is expressing himself by doing transvestism.

He changed the engine to improve the performance of the car.

My car needs to have its engine replaced.

Hakuren is a type of freshwater fish in Japan.

The ranger is responsible for the protection and management of the forest.

Let's eat the microwaved lunch box before it gets cold.

I microwaved my lunch.