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

一把[ichiwa] bundle
大雑把[oozappa] rough (as in not precise)
把む[tsukamu] to seize
把握[haaku] grasp

把持[haji] grasp
把手[totte] handle
把捉[hasoku] grasping (a meaning)
十把ひとからげ[jippahitokarage] lumping together all sorts of things