«اعْتَرَفَ لَكِ بِالْقَرْضِ وَصَرَّحَ عَنِ الْمَحْضِ»
He acknowledged the debt to you and stated the plain truth.
Iʿtarafa means to admit; qarḍ is debt; maḥḍ denotes what is pure or unmixed. The phrases combine a meaningful distinction with rhymed prose.
The husband accepts financial hardship but contends that his literary craft is genuine. Having a craft and successfully earning from it remain two different matters.