Questions & Answers about Мне приятно, когда мы понимаем друг друга.
Because Russian often uses an impersonal construction for feelings and reactions.
Мне приятно literally means something like To me, it is pleasant.
So the person experiencing the feeling is put in the dative case:
- я = I
- мне = to me
This same pattern is very common in Russian:
- Мне холодно = I am cold
- Мне грустно = I am sad
- Мне интересно = I am interested / It is interesting to me
So мне приятно is a very natural Russian way to say I’m pleased / I find it nice.
Here приятно means pleasant, nice, or pleasing in the sense of it feels good or I’m pleased.
In this sentence, Мне приятно, когда... means:
- I like it when...
- It makes me happy when...
- I’m pleased when...
So it is not just a cold dictionary meaning like pleasant. In real use, it often expresses a warm emotional reaction.