Some Holy Day Expressions in Hebrew 

All Occasions

Hag Semeach

Happy Holidays, Happy Feast

Avinu Malkaynu

Our Father, Our King

Baruch atah Adonai, Eleohaynu Meclech HaOlam

Blessed are you, LORD our God, King of the universe

Baruch atah Adonai, Eleohaynu Meclech HaOlam, she-asah neeseem la-avotaynu ba-yameen ha-haim ba-z'man hazeh.

Blessed are you, LORD our God, King of the universe, who has performed miracles for our ancestors in those days at this time

Baruch atah Adonai, Eleohaynu Meclech HaOlam she-hecheeyanu v'keey'manu v'heegeeyanu .a-z'man ha-zeh.

Blessed are you, Lord of the universe, who has kept us alive, sustained us, and enabled us to reach this season

Baruch Ata HaShem Elokainu Melech HaOlam, SheHakol Barah Lichvodo

Blessed art thou, Lord our God, who created everything for His glory

Baruch Ha Shem.

Praise the Lord

Baruch Haba B'Shem Adonai.

Blessed is He who comes in the name of the LORD

borei p’riy ha-eitz

Who creates the fruit of the vine

Gadlu LaShem

Exalt the Lord

Hamotzi lecheem meen haaretz

Who brings forth bread from the earth

Kadosh Adoi tz-va-ot kadosh

Holy is the Lord of Hosts

Kapparot

Sacrificial rites, literally "coverings." The killing of a fowl to be given to the needy, or else a monetary substitute.

L'shanah ha'baah b'Yerushalayim

"Next Year in Jerusalem," the expression of hope for the restoration of the Promised Land as well as peace and justicei n the world.

Mahzor

Cycle, holiday prayer book.  A special volume containing prayers and liturgy for the festivals and holy days.

Shalom Chavereem

Friends

Shalom Yedee eem

Beloved Friends

Shma Yisrael Adonai Eloheynu, Adonai Echad

Hear O Israel, The Lord our Lord, the Lord is One

Yom Tov

Good day, a holiday.

Rosh Hashanah & Yom Kippur

(Feast of Trumpets & Atonement)

On Rosh Hashanah eve, at the start of the festival meal, it is customary to dip some cut raw apples into some honey as symbolic of asking God to grant a sweet new year.

Al Chet

The recitation of sin in the Yom Kippur service.  Confession is made in the plural (i.e. "we have sinned…") enumerating every conceivable sin that may have been committed.

Baruch atah Adonai, Eleohaynu Meclech HaOlam borei p'riy ha-eitz.

Blessed are you, LORD our God, King of the universe who creates the fruit of the tree.

Kol Nidre

"All vows," a prayer chanted on the even of the Day of Atonement asking for absolution from all oaths and obligations made impulsively or under external duress.

L’shana tova u-metukah.

May you have a sweet and good new year.

Mehilah

Forgiveness.  The custom of first asking a wronged person's pardon in order to be forgiven by God on the Day of Atonement.

Tekiat Shofar

The sounding of the ram's horn at the beginning of the New Year (Rash Hashanah) services and at the conclusion of the Day of Atonement.

Tashlich

"Casting off," the symbolic casting away of sins on the first day of the new year, done by the edge of a body of moving water.  Often using bread crumbs.  Tossing them into the water to symbolize the cleansing from sin after repentance.

Teshuvah

Repentance

Yamim Noraim

The "awe inspiring days."  Referring to the ten-day period of soul searching between Rosh Hashanah and Yom Kippur.  Also known as the "Days of Awe."

Y'hee ratzon mee-l'fanecha, Adonai Elohaynu v'elohey avoteynu sh'tichadeish aleinu shanah tovah um'tuqah.

May it be Your will, Lord our God and God of our ancestors that you renew for us a good and sweet year.

Sukkoth

(Feast of Tabernacles)

Baruch atah Adonai, Eleohaynu Meclech HaOlam asher keed'shanu b'meetzvotav v'tzeevanu leisheiv ba-sukkah.

Blessed are you, Lord our God, King of the universe who has sanctified us with His commandments and commanded us to dwell in the sukkah.

Hanukkah

Baruch atah Adonai, Eleohaynu Meclech HaOlam asher keed'shnau b'meetzvotav v'tzeevanu l'had'lik neir shel Hanukah.

Blessed are you, LORD our God, King of the universe who has sanctified us with His commandments and commanded us to light the candles of Hanukkah.