Question

다시 한 번 말씀해 주세요 -아/어 주세요 expresses a polite request to perform an action and corresponds to 'please [do] ... [for me/someone]' in English. Here, the polite imperative ending -(으)세요 is preceded by the benefactive aspect -아/어 주-. The latter denotes an action performed for the sake of the speaker or someone else different from the hearer. The beneficiary can be marked with -에게/한테 or -을/를 위해.In imperative sentences with -아/어 주세요, the verb is often preceded by 좀 meaning 'please'. The inclusion of 좀 softens up the request.

Accepted Answer

Say it once again, please

Front	다시 한 번 말씀해 주세요
Back	Say it once again, please
Notes	-아/어 주세요 expresses a polite request to perform an action and corresponds to 'please [do] ... [for me/someone]' in English. Here, the polite imperative ending -(으)세요 is preceded by the benefactive aspect -아/어 주-. The latter denotes an action performed for the sake of the speaker or someone else different from the hearer. The beneficiary can be marked with -에게/한테 or -을/를 위해. In imperative sentences with -아/어 주세요, the verb is often preceded by 좀 meaning 'please'. The inclusion of 좀 softens up the request.

아/어 주세요 Polite Action Imperative Preceded 좀 다시