caution [cautioned, cautioning, cautions](to warn) verb [UK: ˈkɔːʃ.n̩] [US: ˈkɑːʃ.n̩]You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment. = Se le advierte que cualquier cambio o modificación no aprobada expresamente en este manual puede invalidar su permiso para operar este equipo.
notice [noticed, noticing, notices]verb [UK: ˈnəʊ.tɪs] [US: ˈnoʊ.tɪs]I noticed some mistakes in his report. = Advertí algunos errores en su informe.
warn [warned, warning, warns](to make someone aware of impending danger) verb [UK: wɔːn] [US: ˈwɔːrn]I warned him. = Le advertí.