Tafsir of Al-Isra 17:28

وإما تعرضن عنهم ابتغاء رحمة من ربك

And if you turn away from them and you are awaiting a mercy from your Lord, `If your relatives and those to whom We have commanded you to give, ask you for something, and you do not have anything, and you turn away from them because you have nothing to give,

ترجوها

for which you hope, i.e. a mercy from your Lord,

فقل لهم قوﻻ ميسورا

then, speak unto them a soft, kind word. meaning, with a promise. This was the opinion of Mujahid, Ikrimah, Sa`id bin Jubayr, Al-Hasan, Qatadah and others