يُباريhe rivals الرياحthe winds بمثلwith the like of الرِّياthe winds (continued next line)
يُباري الرياح بمثل الرِّيا
حِcompletion of 'the winds' منfrom كاذباتfalse مواعيدِهِhis promises
حِ من كاذبات مواعيدِهِ
He rivals the winds with a promise like the winds—
He rivals the winds with winds like them,
one of his lying promises.
From his false promises.