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| keep a sharp eye on (It seems that vandals marking their names or other messages on the rock don't get to appreciate their names for long; city staffers keep a sharp eye on the famous landmark, and the instant anyone soils its pristine whiteness, it is immediately repainted. (Chuck Davis) ART Vancouver) | |||
| be on the alert for something (чем-либо) | |||
| зорко следить за: 1 phrase in 1 subject |
| General | 1 |