A person who is meticulous and shrewd in financial calculations, often implying carefulness to the point of being stingy or self-interested.
他是个出了名的铁算盘，任何一笔开销都要仔细核对，生怕多花一分钱。
He's known as a shrewd calculator; he scrutinizes every single expense, afraid of spending even an extra penny.
Era:
Early Modern
Frequency:
Next Idiom