Definition
to be within a reasonable range or approximation of the correct figure or amount.
差不多、大致准确
We are not sure of the exact cost, but we think the current estimate is in the right ballpark.
我们不确定确切的成本，但我们认为目前的估计在正确的范围内。
The budget for the project is about a million dollars. While not the exact figure, it's in the right ballpark.
这个项目的预算大约是一百万美元。虽然不是确切的数字，但它在正确的范围内。
The price we’re asking might be a bit high, but it is still in the right ballpark for what buyers are willing to consider.
我们要的价格可能有点高，但仍在买家愿意考虑的正确范围内。