упорствам означава в английски

persevere [persevered, persevering, perseveres]▼(persist steadfastly)
verb
[UK: ˌpɜː.sɪ.ˈvɪə(r)] [US: pər.sə.ˈvɪr]

persist [persisted, persisting, persists]▼(go on stubbornly or resolutely)
verb
[UK: pə.ˈsɪst] [US: pər.ˈsɪst]

stick [stuck, sticking, sticks]▼(to persist)
verb
[UK: stɪk] [US: ˈstɪk]