Yin deficiency leading to yang deficiency is known as yin impairment affecting yang and yang deficiency resulting in yin deficiency is called yang impairment affecting yin.

阴虚而导致阳虚称为阴损及阳，阳虚导致阴虚称为阳损及阴。

The former refers to a morbid state marked by deficiency of both yin and yang resulting from yin deficiency due to loss of yin fluid that makes the production of yang qi deficient.

前者指阴液亏损累及阳气化生不足，形成以阴虚为主的阴阳两虚病理状态。