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| be at sea; be all at sea (и т. п.); be all at sea (и т.п.); not know if one is on one's head or heels (Anglophile) | |||
| be at a loss for words (Andrey Truhachev) | |||
| be at fault; be all at sea (и т. п.); be at sea (и т. п.) | |||
| be not sure what to say (CNN Alex_Odeychuk) | |||
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| flounder (Ремедиос_П) | |||
| не знать, что сказать: 25 phrases in 7 subjects |
| American usage, not spelling | 1 |
| Contextual meaning | 1 |
| General | 14 |
| Informal | 1 |
| Literature | 2 |
| Makarov | 5 |
| Psycholinguistics | 1 |