(ねが)いする

おねがいする
verb (suru)
to request, to ask a favor
1. to request, to ask (someone to do something)
To politely ask someone to do something or to make a request.
(ねが)いがあるんですが。
I have a favor to ask.
Common way to introduce a request
コーヒーをお(ねが)いします。
Coffee, please.
When ordering
2. to pray for, to wish for
To pray or make a wish, often at a shrine or temple.
神社(じんじゃ)合格(ごうかく)をお(ねが)いした。
I prayed for success at the shrine.

COMMON EXPRESSIONS:

  • (ねが)いします: Please (very common polite request)
  • よろしくお(ねが)いします: I look forward to working with you / Please take care of this

USAGE:
(ねが)いする is the polite form of (たの)む. It is widely used in polite speech for making requests of any kind.