Not wide enough wocabulary, not knowing all the rules.
sunku ismokti daug zodziu, taciau jie labai reikalingi
it is hard to remember new words, grammar can be difficult
Sometimes I lose motivation for learning
Sunku kalbėti ta kalba, pritaikyti išmoktus naujus žodžius
The courage to speak
Difficult theory that you can barely use in practise
In most cases - the grammar, because some of the languages has a lot of tenses which sometimes can be confusing.
Listening tasks
Hard to memorise new words, hard to distinguish words in a phrase of a native speaker, hard to speak myself