translation,sentances highlighted I'm confused by! Help and corrections appreciated! Thanks Lao Bai: Wo keyi yong yixia nimende cesuo ma? Could I use your toilet? Mr Yuan: Zuoshou di-er jian jiu shi.(not sure about this sentance) Lefthand di er-(ordinal numbers two?) 2nd room just(jiu)? on the left? Lao Bai: Oh yijing jiu dian duo le. Wo gai hui qu le. Oh already more than 9 oclock? I must be off now. Mr Yuan: Hai zao ne. Zai zuo yihuir ba. It's still early. Go in a short while please. Lao Bai: Bu zuo le(not sure what this means). Mingtian zaoshang wo hai you shiqing. No or I can't tomorrow morning I still have a matter to attend to? Mr Yuan: Hao ba. Na jiu bu liu ni le. Ok I won't keep you then. Lao Bai: Gei nimen tian mafan le. Sorry to have troubled you. Mr Yuan: Mei shenme. Huanying ni zai lai. It's nothing. you are welcome. Lao Bai: Yiding, yiding. Certainly, certainly, Mr Yuan: Wo songsong ni. I'll see you out. Lao Bai: Bu yong le. Qing hui qu ba. No need. Please go back. Mr Yuan: Man zou. Take care. Mrs Yuan: Lushang xiaoxin. Have a safe journey. Lao Bai: Mei wenti. Zaijian! Bye! Mr and Mrs Yuan: Zaijian! Bye!