querulo significa in inglese

plaintive▼(Sorrowful, mournful or melancholic)
adjective
[UK: ˈpleɪn.tɪv] [US: ˈpleɪn.tɪv]

querulous▼(often complaining)
adjective
[UK: ˈkwe.rʊ.ləs] [US: ˈkwe.rə.ləs]