| Russian | English |
| упорно возвращаться | haunt (к чему-либо) |
| упорно выискивать | bird-dog (People began using bird-dog as a verb meaning "to closely watch someone or something" or "to doggedly seek out someone or something" in the early 20th century. VLZ_58) |
| упорно работать | doggedly pursue (над задачей: Derek Abbott of the University of Adelaide has doggedly pursued the mystery for decades and reportedly announced on Tuesday that the newly emerging investigative technique known as forensic genealogy appears to have finally provided an answer to the longstanding question of who, exactly, the Somerton Man was.  coasttocoastam.com ART Vancouver) |
| упорно трудиться | toil (After years of toiling in obscurity, the impoverished young artist became an overnight sensation. – Годы упорного труда оправдались ... • While their first tour of America in 1964 was wildly successful, the band was not an overnight success as they had been toiling in Britain for several years prior, he pointed out. coasttocoastam.com ART Vancouver) |
