I have a pretty good idea where I left it—I hope I'm right.

我记得很清楚把它落在哪儿了—但愿我是对的。

《牛津词典》

We all have a pretty good idea what foods are good for us.

关于哪些食品对我们健康有好处我们是比较了解的。

youdao

We have a pretty good idea what's going on in other countries.

我们有一个很好的想法，和其他国家联手。

youdao

"We have a pretty good idea" who did it, he told the Associated Press news agency.

BBC: Deputy Defense Secretary William Lynn

Insurance companies have a pretty good idea of the risk of insuring a specific individual and property.

FORBES: Location Intelligence - The Future Looks Bright

And banks have a pretty good idea what interest rate to charge a specific borrower to make a profit.

FORBES: Location Intelligence - The Future Looks Bright