Japanese phrase
___に参加させていただけますか？ ___ ni san ka sa se te i ta da ke ma su ka
Meaning
Would it be possible for me to join ___?
When to use it
Politely asks for permission to take part in an activity. It is highly respectful and suits requests made to a senior person or an unfamiliar group.
Example dialogue
読書会に参加させていただけますか？ doku sho kai ni san ka sa se te i ta da ke ma su ka
Would it be possible for me to join the book club?
もちろん、どうぞ。 mo chi ro n dō zo
Of course, go ahead.