"Merry Christmas"
Chag Molad Sameach
חג מולד שמח
Chag basically means holiday or "festival." Moladgenerally means "birth." And Sameach basically means "happy." Thus the literal translation is "happy birth festival" (celebrating the birth of Jesus Christ).
I don't know who answered the above, but Jews don't celebrate the birth of Jesus! See all the other answers for the correct meaning regarding the birth of the new moon each month.
You don't! First of all, there is no such language as "Jewish". Secondly, if you mean any Jewish language, such as Yiddish or Hebrew, you have to remember that these languages are spoken by Jewish people who do not celebrate Easter.
Joyeaux Purim? You might be better off sticking with chag Purim sameach (remembering to pronouce the "ch" in the guttural Hebrew way, rather like the Scottish "loch") as anybody celebrating Purim is likely to understand what you mean.
Chang Sameach
There is no such phrase in Judaism or in the Hebrew language.
This is not Hebrew, but it is close to the Hebrew word Bamah, which means "stage".
This phrase is not Hebrew or English. If you can tell me what it means in English, then I can translate it into Hebrew for you.
The spelling is eccentric, but you may mean hajj, the Arabic word for pilgrimage, or chag (with a ch as in Loch Ness or J.S. Bach), the Hebrew word for pilgrimage. Muslims go on hajj to Mecca, and in the days before Imperial Rome destroyed the Jerusalem Temple, Jews want on chag to the Temple.
This phrase has no meaning in Hebrew. In fact, the vowel combination "au" does not exist in Hebrew.
A Jewish Holiday,known as the Holiday of Ingathering.
mah zeh (מה זה) = "what is this" or "what is that"
The Hebrew phrase "agudas achim" translates to "brotherhood" or "association of brothers" in English. The term "agudas" means "association" or "union," while "achim" means "brothers." Therefore, when combined, the phrase signifies a group or organization of individuals who share a bond of brotherhood or kinship.
maco is not a Hebrew word. (makka means strike or hit, and "ma kore?" is the Hebrew phrase "What's up?")