viem znamená v Angličtina

I know▼(response indicating agreement with prior statement before it was made)
phrase
[UK: ˈaɪ nəʊ] [US: ˈaɪ ˈnoʊ]

I don't know▼(I don’t know)
phrase
[UK: ˈaɪ dəʊnt nəʊ] [US: ˈaɪ ˈdoʊnt ˈnoʊ]