وطَيفُكand your phantom أمَاas for حينَwhen أُضِحيI enter the forenoon فطالبٌthen a pursuer
وطَيفُك أمَا حينَ أُضِحي فطالبٌ
يَحُثُّpresses on وأمّاand as for حينَwhen أُمسِيI enter the evening فلاحِقُthen one who overtakes
يَحُثُّ وأمّا حينَ أُمسِي فلاحِقُ
And your phantom, when midmorning finds me, is a pursuer,
Pressing on; and when evening finds me, it overtakes me.