ちょっと一杯[chottoippai] let's have a quick drink
ばつ一[batsuichi] being once divorced
一向[hitaburu] nothing but
サラダ一皿[saradahitosara] plate of salad

安全第一[anzendaiichi] safety first
一か八か[ichikabachika] sink or swim
一っ走り[hitoppashiri] spin (as in 'take a car for a spin')
一つ一つ[hitotsuhitotsu] one-by-one

オブジェクト指向[obujekutoshikou] object-oriented
オブジェクト指向言語[obujekutoshikougengo] object-oriented language
ダイヤの指輪[daiyanoyubiwa] diamond ring
医者の指図[ishanosashizu] doctor's mandate
一指[isshi] finger

一指当たり[ichiyubiatari] span
卸売物価指数[oroshiuribukkashisuu] wholesale price index
眼指[manazashi] (a) look
屈指[kusshi] leading
結婚指輪[kekkonyubiwa] wedding ring