<prompt> Translate the following text to EnglishLakini kwa wanasheria ambao hutumia wakati wao mwingi kufanya mazoezi katika maeneo mengine ya sheria, kesi za pro bono zinazohusu mambo ya sheria ya familia au msaada wa umma zinaweza kuwa ngumu, Levin alisema.  <response>: But for lawyers who spend most of their time practicing other areas of the law, pro bono cases concerning aspects of family law or public assistance can be difficult, Levin said. 