Manners

Onegaishimasu

Please (I'll ask you to do me an honorable favor)

Mo ichido onegaishimasu

One more time, please.

Hontou desu ka. Jaa, onegaishimasu

Really? Then, please do that.

Kudasai

Please (give me or do that for me)

Sore o kudasai

That, please.

Douzo

Here you go! or Please (when you give something)

Kore o douzo

This, please.

Kochirahe douzo

This way, please.

Dōitashimashte / iie, iie

You're welcome.

Gomennasai

I'm sorry.

Sumimasen

Excuse me/ I'm sorry.

Itadakimasu

Thank you for the meal (before eating).

Gochisousama (deshita)

Thank you for the meal (after eating).