胸むな積づもりじ字FuriganaMeanings1nounmental calculation; calculating in one's headRefers to making a rough estimate or plan in one's mind without writing anything down. Often implies a preliminary or private reckoning.彼かれは胸むな積づもりで予よ算さんを立たてた。He drew up a budget by mental calculation.胸むな積づもりではうまくいきそうだったが、実じっ際さいは違ちがった。In my head it seemed like it would work, but in reality it was different.
