Japanese grammar · no level in the source
〜ものをいう: meaning and usage
Meaning
B is what counts/what is important/what matters (in/at A). B is often words like おかね, けいけん, どりょく
How to form it
- nounがものを言う
- nounではnounがものを言う
How it is used
Says that B (experience, effort, money and so on) is what really counts in a situation: 'B is what matters'. Often in the frame 「〜では〜がものを言う」.
Examples
料理は、最後は経験がものを言う。
In cooking, it's experience that counts in the end.
マラソンでは、毎日の練習がものを言う。
In a marathon, daily training is what counts.