rozeznat
distinguish sb/sth (from sb/sth) , tell sb/sth (apart), (poznat) recognize
Nemohl je od sebe rozeznat.
He couldn't tell them apart.
Nerozeznáš A a B?
Can't you tell A from B?
Rozeznal jsem jen dvě postavy.
I could discern only two figures.
Je k nerozeznání od...
It's indistinguishable from...
ɪts ˌɪndɪˈstɪŋgwɪʃəbl frɒm