sometimes, but not very often
иногда, но не очень часто (inogda, no ne ochen' chasto)
"I enjoy eating out once in a while, but I prefer home-cooked meals."
"Мне нравится есть вне дома иногда, но я предпочитаю домашнюю еду." (mne nravitsya est' vne doma **inogda**, no ya predpochitayu domashnyuyu edu.)
a friend you have known for a long time
to add something extra, especially at the end
to do something kind for someone else after receiving kindne...
to be tough in making a deal or negotiation
to include something extra
to be very expensive