koníček znamená v Angličtina

activity [activities]▼(something done for pleasure or entertainment)
noun
[UK: æk.ˈtɪ.və.ti] [US: æk.ˈtɪ.və.ti]

hobby [hobbies]▼(activity done for enjoyment in spare time)
noun
[UK: ˈhɒ.bi] [US: ˈhɑː.bi]