food for thought

US /ˈfʊd fɔr θɔt/
UK /ˈfʊd fɔr θɔt/
"food for thought" picture
1.

考えるべきこと, 思索の糧

something that warrants serious consideration or reflection

:
His suggestion gave us all some serious food for thought.
彼の提案は私たち全員に真剣な考えるべきことを与えた。
The documentary provided much food for thought on environmental issues.
そのドキュメンタリーは環境問題について多くの考えるべきことを提供した。