إذwhen هنthey (feminine) لأخُضُعُnot soft-spoken (reading لا خُضُعُ) الحديـthe speech (first part)
إذ هن لأخُضُعُ الحديـ
ـثcompletion of 'the speech' ولاand not تكشفتbecame exposed المفاضِلْthe body parts beneath clothing
ـث ولا تكشفت المفاضِلْ
When they were not soft of speech,
When they bow to talk
nor were the parts beneath their clothing laid bare.
And excellence was not revealed