病史

wǒ men xū yào jì lù bìng shǐ

我们需要记录病史。

We need to take patient's case history.

bù liǎo jiě suǒ yǒu de bìng shǐ yī shēng wú fǎ zuò chū zhěn duàn

不了解所有的病史，医生无法作出诊断。

The doctor cannot give a diagnosis without knowing the full medical history.