Onegai shimasu means "Please" or "I ask of you." This versatile phrase is used when making a request or asking for a favor. It can also mean "Please go ahead" or "I leave it to you" depending on the context. For example, when ordering food, you might say, "コーヒーをお願いします。" (Coffee, please.).

何かを依頼したり、お願いしたりする時に使う丁寧な言葉です。「手伝いをお願いします。」