chag sameach

"Literally, 'Happy Holiday.' The traditional, all-purpose greeting exchanged on almost any Jewish holiday" (JPS).

dati

Modern Orthodox

religious

emunah

"faith"; sometimes contrasted with practical striving in the material world

halevai

"Would that it be so" (Steinmetz, Yiddish and English)

I wish!

If only

madrega

level, especially spiritual level

mazel

congratulations

luck (good)

shidduch

match

a date in the process of finding one's spouse

arranged spousal match

mate

svara

guess, hypothesis

justification, reason, plausible explanation

tzadik

A highly learned and esteemed rabbinic leader (sometimes used as an alternative name for a Hasidic rebbe).

Common name for the 18th letter of the Hebrew alphabet (tzadi / tzade).

Someone who does extremely righteous deeds.