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

九つ[kokonotsu] nine
九夏[kyuuka] summer
九回戦[kyuukaisen] regulation game
九官鳥[kyuukanchou] hill myna (species of mynah bird, Gracula religiosa)
九牛の一毛[kyuugyuunoichimou] mere fraction

九々[kuku] multiplication table
九月[kugatsu] September
九工大[kyuukoudai] Kyushu Institute of Technology
九穀[kyuukoku] the nine grains
九死に一生[kyuushiniisshou] narrow escape from death

助番[sukeban] leader of a female gang
ブロック番号[burokkubangou] block number
暗唱番号[anshoubangou] personal identification number
一貫番号[ikkanbangou] serial number
一番[ichiban] best

一番[hitotsugai] pair
一番鶏[ichibandori] first cockcrowing
一番手[ichibante] first player
一番乗り[ichibannori] leader of a charge
一番線[ichibansen] track no. 1