weakly
US /ˈwiːk.li/
UK /ˈwiːk.li/

1.
debolmente, fiaccamente
in a weak manner; without strength or vigor
:
•
He smiled weakly after the long illness.
Sorrise debolmente dopo la lunga malattia.
•
The signal was so weakly that the call kept dropping.
Il segnale era così debole che la chiamata continuava a cadere.