1
a ballpark + noun
ballpark 作定语，表示粗略估计。
Can you give me a ballpark figure?
你能给我一个大致的数字吗？
棒球场
先理解核心含义，再看它在真实句子里的用法。
棒球场
a facility where ball games, especially baseball, are played
Can you give me a ballpark figure?
你能给我一个大致的数字吗？
接近某物的范围
near to the scope or range of something
球场(尤指棒球场)
a facility in which ball games are played (especially baseball games)
We went to the ballpark early to watch the players warm up.
我们早早去了棒球场，观看球员们热身。
The new ballpark has a retractable roof to protect fans from the rain.
新棒球场有可伸缩屋顶，保护球迷免受雨淋。
Fans cheered loudly when the home run flew out of the ballpark.
当本垒打飞出棒球场时，球迷们大声欢呼。
ballpark 作定语，表示粗略估计。
Can you give me a ballpark figure?
你能给我一个大致的数字吗？
固定短语，意为“大致准确”。
His estimate is in the ballpark.
他的估计大致正确。
We had a great time at the ballpark.
我们在棒球场玩得很开心。
Not this
He plays baseball on the ball park.
Use this
He plays baseball at the ballpark.
表示“在棒球场”应使用介词 at，而不是 on；且 ballpark 是合成词，不应分开写。
Not this
The price is in the ball park of $50.
Use this
The price is in the ballpark of $50.
ballpark 作为“大致范围”时是一个词，不应分开写为 ball park。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
大致数字；粗略估计
Can you give me a ballpark figure for the cost?
你能给我一个大概的费用数字吗？
大致接近；在可行范围内
Your quote is in the ballpark, but we still need to negotiate the details.
你的报价大致接近，但我们还需要协商细节。
粗略估算
The contractor gave us a ballpark estimate for the renovation.
承包商给了我们一个翻新的粗略估算。
在棒球场
We spent the whole afternoon at the ballpark watching the game.
我们整个下午都在棒球场看比赛。
大致准确；差不多
The estimate is in the ballpark, but we need a more exact figure.
这个估计大致准确，但我们需要更精确的数字。
大概的数字；粗略估计
Can you give me a ballpark figure for the renovation costs?
你能给我一个装修费用的大概数字吗？
在同一个范围；大致相当
Their prices are in the same ballpark as ours.
他们的价格和我们的差不多。
Use ballpark naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把ball（球）和park（场）拼在一起，先想到棒球场，再联想“in the ballpark”表示大致范围，球在场内就算接近目标。
语域：mixed 常见场景：sports broadcasting、business/negotiation 该词作名词时有两种常用语域：一为“大致范围”之意，多用于非正式商务或日常讨论，常说 in the ballpark；二为“棒球场”之意，属中性语体，常见于体育报道。具体含义需根据搭配判断。
可数名词；常用介词 in/at；如 in the ballpark（在范围内）
Dictionary facts from ECDICT, WIKTIONARY.