Phono-semantic — one part hints at the meaning, another at the sound
Example phrases
他年纪虽大,记性却出奇地好,连几十年前的航线编号都能说清。Tā niánjì suī dà, jìxing què chūqí de hǎo, lián jǐ shí nián qián de hángxiàn biānhào dōu néng shuō qīng.Although he is old, his memory is surprisingly good; he can even state route numbers from decades ago clearly.
奶奶记性很好,还能叫出每个孙子的名字。Nǎinai jìxing hěn hǎo, hái néng jiào chū měi ge sūnzi de míngzi.Grandma has a good memory and can still call out each grandchild's name.
我记性不好,出门总是忘记带钥匙。Wǒ jìxing bù hǎo, chūmén zǒngshì wàngjì dài yàoshi.I have a poor memory and always forget my keys when I go out.