trivial pursuit

Translations
погоня за пустяками
Engaging in trivial pursuit can be a waste of time.
Увлечение погоней за пустяками может быть пустой тратой времени.
Definitions
Trivial Pursuit is a board game in which players answer questions from various categories to earn pieces of a pie-shaped game piece, with the goal of collecting all the pieces by correctly answering questions and moving around the game board.