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know for certain [nəʊ fə'sə:tn]stresses
gen. знать наверняка (With the captain’s report everything came together — secret bases, government cover-ups, global warfare, ancient aliens, pyramid power — to create the story of the Black Pyramid. The story that Campbell, if he followed any of the internet lore, surely planned his summer vacation around. No one knows for certain if Campbell believed any of this. anomalien.com ART Vancouver); точно знать (With the captain’s report everything came together — secret bases, government cover-ups, global warfare, ancient aliens, pyramid power — to create the story of the Black Pyramid. The story that Campbell, if he followed any of the internet lore, surely planned his summer vacation around. No one knows for certain if Campbell believed any of this. anomalien.com ART Vancouver)
know for certain: 12 phrases in 4 subjects
General4
Informal1
Saying6
Scientific1