a ballpark figure一个大约的数字，粗略的估计数字；ballpark figure大致正确，差不多

俚语溯源

ballpark“棒球场”的意思。在20世纪50年代，美国棒球播音员在每场比赛时都要宣布当天到场的粗略估计的观众人数，慢慢 ballpark figure演化为“粗略的估计数字；大致正确，差不多”的意思。

俚语运用

Can you just give me a ballpark figure?

你给我一个大概的数字吗？

I can't give you anything more than just sort of a ballpark figure

我只能给你一个大概的数字。

This building costs a ballpark figure of one million dollars.

这栋建筑大概花费了100万美金。

At the beginning of every semester, we were given a ballpark figure of books by our teacher, and then read them during the rest of the semester.

每学期开始，老师给我们一个要读的书的大约的数目，剩下的时间我们就是读书。

I don't need an exact number. A ballpark figure will do.

我不需要准确地数字，一个粗略的估计就够了。

.How much will it cost? Can you give me a ballpark figure?

这要花多少钱？可以给我一个大约的数字吗？

I can't give you anything more than just sort of a ballpark figure.

我只能给你一个大概的数字。

I ballparked the value of the antique table around US$15,000.

我估计那张古董桌的价值在1万5美金上下。

To give you a ballpark figure, the new project will take between one and three months to complete.

粗略预估，新项目得花1-3个月的时间去完成。

The elder I become,the more books I should read,so I have listed a ballpark figure for the next three years.

年龄越大越应该多读书，因此我为自己未来三年要读的书列了个大约的书目。