我一夜没睡着，反复思索这个问题。

I lay awake all night, turning the problem over and over in my mind.

《新英汉大辞典》

只要是反复思索，都是把情感、普通观念等转化为思想。

Now in any case to think things over is at least to transform feelings, ordinary ideas, etc. into thoughts.

youdao

酒保反复思索，又说，“好吧，我可以看到你已经不盲目。”

The bartender thought it over again and said, "Well, I can see you're not blind."

youdao