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| prove a stumbling block (Alexander Demidov); complicate (hamper) the work (of Jenny1801) | |||
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| hinder smb.'s work (smb.'s progress, smb.'s movements, smb.'s influence, its completion, smb.'s enterprises, etc., и т.д.) | |||
| затруднять работу: 7 phrases in 3 subjects |
| Gas processing plants | 1 |
| General | 3 |
| Military | 3 |