Kirika and Shirabe attempt to recover Dr. Ver so that he can treat their mom.  They run into Hibiki, whose fusion has progressed to the point where she can fight a Noise with her bare hands.  Dr. Ver injects them with a LiNKER boost, and they attempt to use their ultimate songs, which might kill them.
are just barely managing to hold her back.
نستطيعُ بالكاد التصدِّي لها
nur mit ganzer Kraft
sie gerade so zurückhalten.
podemos detenerla así.
on arrive à peine à tenir.
riusciamo a malapena a trattenerla.
estamos apenas conseguindo
 detê-la por um tempo.