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| grind (impf of вытвердить); learn by hard work (impf of вытвердить); learn by heart (impf of вытвердить) | |||
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| be ground; be learned by heart; be learned by hard work | |||
| grind; learn by heart; learn by hard work | |||
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| grind (impf of вытвердить); learn by hard work (impf of вытвердить); learn by heart (impf of вытвердить) | |||
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| be ground; be learned by heart; be learned by hard work | |||
| grind; learn by heart; learn by hard work | |||