ohayou おはよう / arigatou ありがとう :
Ohayou is used between friends and family members while ohayoo gozaimasu is used
between less intimate acquaintances, similarly with arigatou and arigatou gozaimasu .
sayounara さようなら :
There are several good-bye expressions in Japanese , the choice among which depends on
the degree of separation. Sayounara indicates that the speaker does not expect to see the person spoken to before she "turns a page in her life"; not until a new day arrives or until fate brings the two together again or until they meet again in the other world .
jaa, mata じゃあまた :
Between friends , expecting to see each other again fairly soon
shitsureeshi masu : taking leave from a professor's office , for example
ittekimasu : leaving home
sumimasen すみません : several meanings
1 - excuse me , to get another person's attention
2- i am sorry , to apologize for the trouble you have caused
3- or thank you , to show appreciation for what someone has done for you
iie いいえ :
is primarily "no" , a negative reply to a question .
in the dialogue , it is used to express the english phrase "don't mention it"
or "you're welcome"
itterasshai いってらっしゃい / ittekimasu いってきます/
and okaerinasai おかえりなさい:
ittekimasu and itterasshai is a common exchange used at home when a family member
the person who leaves says ittekimasu , which literally means"i will do and come back"
and the family members respond with itterasshai which means "please go and come back"
tadaima ただいま / okaeri おかえり:
are used when a person comes home. the person who arrives home says tadaima (i am
home right now) to the family members,and they respond with okaerinasai (welcome home)
Oyasuminasai : (Literally mean Have a good rest )
Hajimemashite : How do you do? (Said when meeting someone for the first time)
Douzo yoroshiku onegaishimasu:
I ask that you treat me kindly. (This is said often when you meet someone for the first time
or when you've asked them to do you some favor.)
Ohisashiburi desu : It's been a long time.
Ogenki desu ka : Are you well?
Hai, genki desu : Yes, I'm fine.
Dewa mata / Ja mata / Mata ne : see you
Mata ashita: see you tomorrow
Ki o tsukete : take care (Be careful)