You can clearly see, that he tried, since he got absolutely destroyed once he remembered that "Dobrý" = "Good"

@LukeAlmighty I feel like he's going to die before he hits 30

@LukeAlmighty I liked how he was totally put off by the different word order in the last example 😁 Just because you have all the words doesn’t mean it’s grammatically correct… But otherwise his pronunciation was quite good (apart from CZ 😂).