铁算盘

tiěsuànpán

铁算盘 — tiěsuànpán

1. literally “iron abacus”; figuratively, a person who is extremely strict about counting money or stingy (a penny-pincher)

   老王是个铁算盘，连几块钱也要算得清清楚楚。 lǎowáng shì gè tiěsuànpán lián jǐkuàiqián yě yào suàndé qīngqīngchǔchǔ — Old Wang is a real penny-pincher; he even counts every few yuan precisely.