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потрудиться (on ... – над ...: They had better work harder on their grammar. – Им лучше потрудиться над грамматикой. Alex_Odeychuk) |
work harder: 29 phrases in 9 subjects |
Business | 1 |
Economy | 1 |
Figurative | 5 |
General | 11 |
Informal | 3 |
Makarov | 5 |
Mathematics | 1 |
Proverb | 1 |
Saying | 1 |