| Subject | English | Russian |
| gen. | keep up to date on the subject | следить за определённой темой (To keep up to date on the subject, Prince Philip had reportedly maintained a subscription to the journal Flying Saucer Review and had even looked over military reports about the phenomenon.  unexplained-mysteries.com ART Vancouver) |
| gen. | keep up to date on the subject | не отставать от последних новостей (на определённую тему • To keep up to date on the subject, Prince Philip had reportedly maintained a subscription to the journal Flying Saucer Review and had even looked over military reports about the phenomenon. unexplained-mysteries.com ART Vancouver) |
| busin. | keep smb up to date with information | держать кого-л. в курсе дела |
| busin. | keep smb up to date with information | продолжать предоставлять самую последнюю информацию (кому-л.) |