In university, I took Japanese language as my third language subject. So, this is what I've been learned. Then, I want to share with you all what I've learned. Happy Learning!!
Ja, Gambatte Kudasai ne.. / Fightoo-Oh! 
Daily Expression
- Ohaiyoo Gozaimasu
| Good Morning |
- Konnichiwa
| Good Afternoon |
- Kombanwa
| Good Evening |
- Oyasuminasai
| Good Night (only said before going to bed) |
- Sayoonara
| Good Bye |
- O-genki desu ka
| How are you? |
- Doomo arigatoo gozaimasu
| Thank You very much |
- Dooitashimashite
| You are welcome |
- Irrashaimase
| Welcome (to welcome consumer) |
- Sumimasen
| Excuse me / Sorry |
- Doozo Ohairi Kudasai
| Please Come In |
- Omachi Kudasai
| Please Wait |
- Doozo Okake Kudasai
| Please sit down |
- Moshi Moshi
| Hello |
- Omedetoo Gozaimasu
| Congratulations |
- O-tanjoobi Omedetoo Gozaimasu
| Happy Birthday |
- Ki o Tsukete
| Take care |
- Gambatte Kudasai
| Good Luck (Try your best) |
- Chotto Matte Kudasai
| Please wait for a while |
- Itadakimasu
| I will eat now (said before meal) |
- Osakini
| Said when leaving earlier than others |
- Ohisashiburi
| It’s been a long time (since we last met) |
- Tadaima
| I'm back |
- Okaerinasai
| Welcome home |
- Itte Kimasu / mairimasu
| I'm going |
- Abunai
| Look Out / It's dangerous |
- Hajimemashite
| How do you do (first meet) |