He doped out a solution to the problem.

他想出了一个解决问题的办法。

《新英汉大辞典》

I've already doped out today's award-winning question.

今天的有奖问答题我已经想好了。

youdao

They also doped out answers to the questions Stephanopoulos was sure to get from "the murder squad" in the press room.

他们也想出答案Stephanopoulos肯定会得到“谋杀小团体”在新闻的房间。

youdao

So Soros doped out what the herd believed, bet against it and then stayed ahead of the protean creature.

FORBES: The Road Less Traveled