foul ball

US /ˈfaʊl bɔːl/
UK /ˈfaʊl bɔːl/
"foul ball" picture
1.

界外球

a baseball hit outside the lines of the first and third bases

:
The batter hit a foul ball, narrowly missing the fans in the stands.
击球手打了一个界外球,险些击中看台上的球迷。
It was a close game, but another foul ball meant the count remained the same.
这是一场势均力敌的比赛,但又一个界外球意味着比分保持不变。