alertar angolul

alert [alerted, alerting, alerts]▼(to give warning to)
verb
[UK: ə.ˈlɜːt] [US: ə.ˈlɝːt]

warn [warned, warning, warns]▼(to make someone aware of impending danger)
verb
[UK: wɔːn] [US: ˈwɔːrn]