★"Вот" can mean 'here' or 'there'. It is used when are pointing or gesturing towards something. If you are not pointing then 'here' will usually translate as 'здесь' instead."Вот"
"Его" is the possessive pronoun for the masculine third person. It means 'his'. It is pronounced "yevo".Его зубу не белые. His teeth are not white.他的牙不白。Ты знаешь ег