I don't know about the Russian. But I hear this related English verb often, and sometimes people just say "chill":
Quote:
chill out intransitive verb . . .
1. calm down: to stop being inappropriately anxious or angry
2. relax: to spend time relaxing
Encarta(R) World English Dictionary [North American Edition] (2007)
http://encarta.msn.com/dictionary_18616 ... l_out.html
[quote:2k99aaua]
chill out (
v)
Synonyms: calm down, take it easy, stop worrying
Synonyms: loosen up, lighten up, rest, kick back, unwind, relax