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| Subject | Russian | English |
| Makarov. | его всегда можно узнать по голосу | you can always tell him by his voice |
| gen. | его узнали по голосу | his voice his accent gave him away (по акце́нту) |
| Makarov. | он узнал её по голосу | he recognized her by her voice |
| Makarov. | он узнал её по голосу | he knew her by her voice |
| gen. | узнать кого-либо по голосу | know by his voice |
| gen. | узнать своего брата по голосу | know one's brother by his voice (the man by the scar, him by his walk, a policeman by the clothes he wears, etc., и т.д.) |