fabrication, made-up story
救出されたという話はでっち上げだ
The story that they were rescued was made up.
— アイム・スティル・ヒア (2024)
彼の話はでっち上げだ。
His story is made up.
でっち上げだ！
It's completely made up!
— タイタニック (1997)
なぜわざわざでっち上げを？
Why would you go to the trouble of fabricating it?
— オッペンハイマー (2023)