Japanese phrases

Here's a few Japanese phrases I learned awhile ago. Hope it helps those also learning Japanese. :D

Hajimemashite = "Nice to meet you."

Hajimemasho = "Lets begin!"

Sugoku kanashii = "I'm so sad."

Honto ni = "really?"

Anata no koto shimpaina no = "I'm worried about you."

Daijobu = "Is everything ok?" or "Are you alright?"

Sayonara = "Good Bye."

Sore wa himitsu = "Its a secret." ^^

O-Genki desu ka = "How are you doing?"

Genki da yo = "I feel great."

Sumimasen = "Im sorry."

Nan demo nai yo = "Dont worry."

Yatta = "I did it!"

Yokatta = "Awesome!"

Ii tenki da ne = "The weather is lovely."

Kimochi ii = "What a great feeling."

Tanoshikatta = "That was fun!"

Ja ne = "See you later!"

Oyasumi nasai = "Good night."

Hope this phrases come in handy when you're learning Japanese. Its somewhat helped me in many ways. If you notice a mistake, please feel free to tell me. :D