grist for the mill

US /ɡrɪst fɔr ðə mɪl/
UK /ɡrɪst fɔr ðə mɪl/
"grist for the mill" picture
1.

磨坊的穀物, 有用的素材

something that can be used to your advantage or to support an argument or cause

:
All the criticism he received was just grist for the mill, making him work even harder.
他所受到的所有批評都只是磨坊的穀物,讓他更加努力工作。
The politician used the recent scandal as grist for the mill in his campaign speech.
這位政治家利用最近的醜聞作為他競選演說的素材