Tā dǎ chū le yī gè jièwàiqiú, cuòshī le défēn jīhuì.
He hit a foul ball and missed the chance to score.
Tips
usage
界外球 is used across multiple sports: in baseball it means a foul ball; in basketball/football it means a ball that has gone out of bounds. The opposite is 界内球 (ball in play/fair ball).