I can't speak English.

　　No English!

　　My English isn't good enough.

　　A Japanese-speaking person, please.

　　Aren't you John?

　　Pardon me? /Excuse me? /I beg your pardon? /Could you repeat that?

　　What did you say?

　　Would you slow down, please?

　　Please say it more slowly.

　　What can I do for you?

　　I'd like a Japanese-speaking guide, please.

　　I want a Japanese-speaking guide.

　　Does anyone speak Japanese?

　　Does anyone here speak Japanese?

　　Is there a Japanese speaker here?

　　I can't make myself understood. 我们语言不通 *被明白，让对方明白

　　I can't get my point across.

　　I can't get through to him.无法让他明白。

　　I don't know how to say it in English.

　　I don't know it in English.

　　I can't express it in English.

　　How do you say “giri” in English?

　　You say, “obligation”.

　　What's in English?

　　How should I say “giri” in English?

　　How can I express “giri” in English?

　　What's the English word for “giri”?

　　What do you call this in English?