Nihon

Now, I tried to make a small dictionary from English to Japanese. I'm so sorry about the mistakes. I hope it could help you.

I                                                     : Watashi

I am Allen                                       : Watashi wa Allen/Aren desu(Aren: Allen, it's changing because of the 
                                                         Japanese speech)

Happy Birthday                               : O-tanjoubi omedetou gozaimasu

Merry Christmas                              : Kurisumasu wa Omedeto gozaimasu

Happy New Year                            : Akimashite Omedetto Gozaimasu

You(singular)                                  : Anata

He                                                  : Kare

She                                                 : Kanojo

They                                               : Karera wa

You(plural)                                      : Anata wa

God                                                 : Kami-sama

Greetings                                         : Aisatsu

Good morning                                  : Ohayou gozaimasu

Good afternoon                                : Konnichiwa

Good evening                                   : Konbanwa

Good night                                       : Oyasumi nasai

How are you?                                  : Ogenki desu ka?

I'm fine. And you?                            : Genki desu. Anata wa?

I'm fine too                                       : Watashi mo genki desu

Goodbye                                           : Sayoonara

See you tomorrow                            : Mata ashita

I love you(informal)                          : Aishiteru

I love you (formal)                           : Watashi wa anata ni aishite imasu

Thanks (informal)                             : Arigatoo

Thanks (formal)                               : Arigatoo gozaimasu

You're welcome                               : Doo itashimashite

Sorry                                               : Gomenasai

Excuse me, pardon                            : Sumimasen

But                                                  : Soredemo

Yes                                                : Hai

No                                                  : Iie

How do you do?                               : Hajimemashite

Hello                                                 : Moshi-moshi

I understand                                      : Wakarimashita

I don't understand                               : Wakarimasen

I don't know                                      : Shirimasen

Family                                               : Kazoku

Grandpa                                             : Sofu

Grandma                                            : Sobo

Father                                               : Otousan

Mother                                               : Okaasan

Uncle                                                 : Oji

Aunt                                                 : Obasan

Elder brother                                    : Niisan

Elder sister                                        : Neesan

younger brother                                : Ototousan

Younger sister                                : Imotousan

School                                                : Gakko

Senior                                         : Senpai

Junior                                           : KÔhai

Teacher                                                   : Sensei

Student                                                  : Seito

Principal                                  : KÔhcÔ

Mark                                                   : Kachi

Animal                                          : Hoshi

Insect                                              : Mushi

Dog                                                 : Inu

Cat                                                 : Neko

Scorpion                                         : Sasori

Fish                                                     : Mizu

Bird                                               : Kaaru

Crab                                               : Kani

Monkey                                           : Saru

Horse                                              : Uma

Sheep                                            : Ushi

Color                                              : Iro

Red                                               : Akai

Yellow                                           : Kiiroi

Green                                            : Midori

Blue                                              : Aoi

Pink                                               : Ai

Purple                                           : Murasaki

Grey                                              : Kurai

Black                                             : Kuroi

White                                              : Shiroi

Country                                          : Kuni

Japan                                             : Nihon

Netherland                                      : Oranda

France                                           : Furansu

England                                            : Igirisu

Germany                                          : Doitsu

Italy                                                 : Itaria

China                                                : Chuugoku

Indonesia                                          : Indoneshia

Australia                                            : Ôsutoraria

Rusia                                                 : Roshia