The 30 percent figure may be no more than a guesstimate.

30%这一数字可能只是个大约的估计。

Can you give a guesstimate of how much it will cost to fix my car?

你能估计出修理我的车要花多少钱吗？

So supposed that this one — I'll just guesstimate, this one feels heavier.

假设是这个——我只是瞎猜，这个貌似重一些。

There are three types of focusing - guesstimate, rangefinder and autofocus.

有三种对焦方式- 猜估， 用测距仪及自动对焦。

Thirty million is my rough guesstimate of how many desirable single women there are.

3000万是我粗略估计我喜欢的女人的数目。