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

一稼ぎ[hitokasegi] job
稼ぎ[kasegi] earnings
稼ぎ手[kasegite] breadwinner
稼ぐ[kasegu] to earn income
稼げる[kasegeru] to work

稼業[kagyou] trade
共稼ぎ[tomokasegi] working together
原稿稼ぎ[genkoukasegi] living on one's writing
荒稼ぎ[arakasegi] making a killing
時間稼ぎ[jikankasegi] holding out