打小算盤

1. • lit. to count on a narrow abacus (idiom) petty and scheming selfishly
2. • concerned with petty interests
3. • selfish and uncaring of the interests of others
4. • bean counter

Character by character

• 打(dǎ)a semantically light, transitive verb that is combined with various grammatical objects to form compound verbs and verb-object phrases with a diverse range of meanings
• 小(xiǎo)small
• 算(suàn)calculate
• 盤(pán)tray