Behefetz Lev - בְּחֵפֶץ לֵב
Pronunciation: Be·he·fetz lev
Literal translation: Would love to, gladly, happy to
Doing something behefetz lev means you're doing it with pleasure and you're happy to do it. You may think that you wouldn't hear that phrase too often from Israelis, but that's not true. All things said and done, Israelis love to help.