Tafseer Ibn Khatheer - Sorah Al-Ma'arij (The Ways of Ascent )

وَالَّذِينَ هُم مِّنْ عَذَابِ رَبِّهِم مُّشْفِقُونَ (27) (Al-Ma'arij (The Ways of Ascent ))

أَيْ خَائِفُونَ وَجِلُونَ .

Source : http://www.quraninformation.com/t-70-1-27.html