Phrasal Verbs Usando 'On' & 'Upon' - Sforzarsi, rischiare o rivelarsi (On)

to direct one's attention, energy, or efforts toward a particular goal, task, or objective

concentrarsi su, focalizzarsi su

to provide information to law enforcement or authorities about someone's actions, particularly illegal or unethical actions

informare su, denunciare

to demand something firmly and persistently

insistere su

to reveal information that was meant to be kept a secret

lasciare andare

to give away information one has obtained about someone, particularly to someone in authority

dare via informazioni che uno ha ottenuto su qualcuno

to watch an event or incident without getting involved

stare a guardare

to secretly observe someone or something with the intention of gathering confidential or hidden information

spiare, sorvegliare segretamente

to focus one's effort, time, or attention on something in order to achieve a particular goal

lavorare su