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

横並び現象[yokonarabigenshou] herd instincts
温暖化現象[ondankagenshou] greenhouse effect
感情表現[kanjouhyougen] expressing emotion
既約表現[kiyakuhyougen] irreducible representation
具現[gugen] incarnation

顕現[kengen] manifestation
現わす[arawasu] to reveal
現に[genni] actually
現われる[arawareru] to appear
現価[genka] current price