1Thanks for all the hospitality you have shown me
色々お世話になりました
2Please stay in touch in the future
これからもどうぞよろしくおねがいします
3Thank you for the meal
ごちそうさまでした
4We did not offer much (by way of treats)
たいしたおかまいもしませんで
5I should be going; it is about time for me to leave
そろそろ失礼します
7to associate with someone
とつきあう
8to keep someone's company
につきあう
10to refuse, to decline
ことわる
14to grant a request
たのみ, ねがいを聞く
15to go to see someone off
見送りに行く
16to go/come to pick up (someone)
むかえにくる
18to say the reason
りゆうを言う
19all people, everyone
みんな
21polite (な adjective)
ていねい