Definition of お先に失礼します (おさきにしつれいします)
さきしつれい
                        お先に失礼します
おさきにしつれいします
osakinishitsureishimasu
expression
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pardon me for leaving (first)(used when leaving a workplace while others remain)
Related Kanji
| 先 | before, ahead, previous, future, precedence | 
| 失 | lose, error, fault, disadvantage, loss | 
| 礼 | salute, bow, ceremony, thanks, remuneration |