What in the world did they think they were doing?

　　他們到底認為自己在做什么？

　　I think we should go back to first principles.

　　我認為我們應該回到基本原則上。

　　I always think of you as one of the family.

　　我一直把你當成自家人。

　　He'd like more time to think things over.

　　他希望有更多的時間把情況考慮周詳。

　　Their family has always been well thought of around here.

　　他們家在這一帶一直頗受敬重。