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

暗躍[anyaku] secret manoeuvering
一躍[ichiyaku] (at) one bound
活躍[katsuyaku] activity (esp. energetic)
欣喜雀躍[kinkijakuyaku] jump up for joy
雀躍[jakuyaku] leaping for joy

跳躍[chouyaku] jump
飛躍[hiyaku] leaping
飛躍的[hiyakuteki] rapidly
躍り掛かる[odorikakaru] to spring at or upon
躍り込む[odorikomu] to jump into