put your money where your mouth is

US /pʊt jʊər ˈmʌn.i wɛr jʊər maʊθ ɪz/
UK /pʊt jʊər ˈmʌn.i wɛr jʊər maʊθ ɪz/
"put your money where your mouth is" picture
1.

membuktikan dengan tindakan, mengikuti kata-kata dengan perbuatan

to prove your claims or intentions by actions, especially by spending money

:
If you really believe in that startup, then put your money where your mouth is and invest in it.
Jika kamu benar-benar percaya pada startup itu, maka buktikan dengan tindakan dan investasikan uangmu di sana.
He always talks about helping the poor, but he never actually puts his money where his mouth is.
Dia selalu berbicara tentang membantu orang miskin, tetapi dia tidak pernah benar-benar membuktikan dengan tindakan.