How to Say ‘Thank you in advance.’ in Japanese
よろしくお願いします。
yoroshiku o negai shi masu
[yoh-roh-shee-koo oh neh-gah-ee shee mahs]
💬 Usage Tip: [よろしくお願いします] is a polite closing for requests and introductions. It can mean “Thanks in advance / Please take care of it.”
🇯🇵 In Japan: After asking “Could you keep it down after 9?”, finishing with [よろしくお願いします] softens the request and emphasizes maintaining neighborly harmony.
Phrase Breakdown
よろしく
yoroshiku
[yoh-roh-shee-koo]
please; kindly; I appreciate your cooperation
Set adverb used to ask for goodwill/cooperation. Often said when making a request or starting/ending a polite interaction.
夜十時以降は静かにしていただけると助かります。よろしくお願いします。
It would help if you could keep it quiet after 10 p.m. Thank you for your cooperation.
お願いします
o negai shi masu
please; I request (polite)
Polite form of お願いする. Used to make requests; with よろしく it becomes a set phrase: よろしくお願いします.
確認をお願いします。
Please check/confirm it.
Words in this phrase
お
o
[oh]
polite prefix (honorific)
Honorific prefix used in fixed polite expressions like お願いします to sound respectful.
ご迷惑をおかけしますが、お願いします。
I’m sorry to bother you, but please (I ask for your help).
願い
negai
[neh-gah-ee]
request; favor; wish
The noun meaning “request/favor.” In お願いします it indicates you are politely asking for something.
お願いがあるのですが、夜は音量を下げていただけますか。
I have a request—could you turn the volume down at night?
し
shi
[shee]
do (stem form)
Stem of する; combines with ます to make します in polite requests.
静かにお願いしてもいいですか。
May I ask you to be quiet?
ます
masu
[mahs]
polite verb ending (present/future)
Polite ending that makes the phrase formal and appropriate for neighbors or people you don’t know well.
今後は夜遅くの音を控えていただけると助かります。よろしくお願いします。
From now on, it would help if you could refrain from loud sounds late at night. Thank you.
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