This is the 35th most frequent Czech word.
mu
The Czech word "mu" means "him" or "to him" (dative case of "on" - he).
In this sentence, 'mu' functions as a dative pronoun, indicating the indirect object 'to him'.
Ukázal jsem mu obrázek.
I showed him the picture.
Here, 'mu' serves as a dative pronoun, representing the person for whom something is given, 'to him'.
Dal mu klíče od auta.
He gave him the car keys.
In this example, 'mu' is used as a dative pronoun to denote the recipient of the action, 'to him'.