為自己打算；打小算盤。噉就想攞多啲，你都幾識諗縮數噃！（這樣就想多拿點兒，你也挺會打小算盤的！）

(phrasal verb, with a negative connotation) to come up with some ideas / tricks so as to reduce the cost or stop spending more than one wants; to be stingy and scheming selfishly with no consideration for others