also: ディーアイワイ
noun
Refers to the activity of making, repairing, or decorating things yourself rather than hiring a professional. Common in contexts like home improvement and crafts.
週末はDIYで本棚を作った。
I built a bookshelf as a DIY project over the weekend.
DIYが趣味で、家具をよく修理する。
DIY is my hobby, and I often repair furniture.