Usages of haastava
Ajattelen, että suomi on joskus haastava, mutta juuri siksi se on kiinnostava.
I think that Finnish is sometimes challenging, but for that very reason it is interesting.
Tämä tehtävä on haastava, mutta opin paljon.
This task is challenging, but I learn a lot.
Minusta kielenoppiminen on hauskaa, mutta joskus haastavaa.
In my opinion, language learning is fun, but sometimes challenging.
Elon.io is an online learning platform
We have an entire course teaching Finnish grammar and vocabulary.