This is the 2146th most frequent Japanese word.
改造
"改造" means "remodeling," "reconstruction," or "modification."
Here, "改造" refers to the comprehensive renovation or overhaul of public facilities for improvement.
公園の施設が全面的に改造されました。
The park facilities have been entirely renovated.
In this sentence, "改造" denotes the act of altering or customizing computers, demonstrating a personal or hobby-related activity.
彼は趣味でパソコンを改造しています。
He is modifying computers as a hobby.
The word "改造" is used here to indicate modification or alteration, specifically referring to the improvement or customization of the vehicle's engine.