ballpark

1. N-COUNT A ballpark is a park or stadium where baseball is played. 棒球場

...one of the oldest and most beautiful ballparks in baseball. …最古老、最美麗的棒球場之一。

2. ADJ A ballpark figure or ballpark estimate is an approximate figure or estimate. 大概的[ADJ n]

I can't give you anything more than just sort of a ballpark figure. 我衹能給你一個大概的數字。