About
HSK levels

    心算

    xīnsuàn

    1. mental arithmetic; to calculate in one's head
    2. planning; preparation

    她心算了一下,发现自己的账户里还有两千块钱。 Tā xīnsuàn le yīxià, fāxiàn zìjǐ de zhànghù lǐ háiyǒu liǎngqiān kuài qián.