mum: keep mumabout/on sth hovor. (po)mlčet o čem, neříct ani slovo o čem
mum: at (my) mum's (place)u (mé) mámy doma
mum: Mum's the word!Nikomu ani muk!
slovo: Nikomu ani slovo!Keep mum!, Mum is the word!
muk: Nikomu o tom ani muk.Keep mum on it!, Mum's the word., Let's keep it secret.