お先にどうぞ

おさきにどうぞ

please go ahead; after you

お先に失礼します

おさきにしつれいします

pardon me for leaving (first) (used when leaving a workplace while others remain)

お先

おさき

ahead; before

先に

さきに せんに

formerly

お先棒

おさきぼう

flunky; cat's-paw; tool; person whose services are at the disposal of another

お筆先

おふでさき

divine pronouncement (esp. in Tenri and Ōmoto)

矢先に

やさきに

just when one is...

我先に

われさきに

self first, striving to be first, scrambling for

お届け先

おとどけさき

destination (of a letter, parcel, etc.); receiver's address; consignee

先に通す

さきにとおす

to let (a person) pass first

真っ先に

at the very beginning; first of all; first and foremost; before anything else

先に立つ

さきにたつ

to lead, to take the initiative

後にも先にも

あとにもさきにも

before or since, neither before nor after, no other time in one's life, stressing a particular moment or event as being unique or most extreme

お先真っ暗

おさきまっくら

very bleak, dim

先生に就く

せんせいにつく

to study under (a teacher)

先頭に立つ

せんとうにたつ

to take the lead; to lead a group; to be in the vanguard

後先になる

あとさきになる

to be inverted (of the order of something); to be reversed; to get mixed up; to become back to front

先に進める

さきにすすめる

to proceed with; to continue with; to move on; to go forward; to pursue

先例に倣う

せんれいにならう

to follow precedent