szaglászna

szaglászna [ˈsɑglaːsnɑ] – he/she would sniff; he/she would snoop around; he/she would be snooping around (in Hungarian)  
(я) согласна [sɐˈɡɫasnə] – I agree; agreed (feminine; in Russian) 

szaglászni [ˈsɑglaːsni] – to sniff; to nose; to snoop around 
szagolni [ˈsɑgolni] – to smell 
szag [ˈsɑg] – smell; odor; odour 
illat [ilːɑt] – fragrance, scent; aroma 
illatos [ilːɑtoʃ] – fragrant; aromatic 

bajusz

bajusz [ˈbɑjus] – moustache (Hungarian)
я боюсь [ja bɐˈjʉsʲ] – I’m afraid (Russian)
я улыбаюсь [ja ʊlɨˈbajʉsʲ] – I smile; I’m smiling (Russian) 

Mosolyogsz a bajszod alatt. (Hungarian)
[ˈmoʃojogs ɑ bɑjsod ɑlɑtː]
– Translation: You are smiling under your moustache.
– Meaning: You are working on some plan how to play a trick on me.