unforced errors

listen to the pronunciation of unforced errors
Английский Язык - Английский Язык

Определение unforced errors в Английский Язык Английский Язык словарь

unforced error
A basic error committed in a tactical game, where errors are usually forced by the game strategy
unforced error
excess error, error that was committed without a cause (especially in the game of tennis)