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

彼の方[anokata] that gentleman (lady)
此方[kochira] this way (direction close to the speaker or towards the speaker)
此方[konata] this way
其方[sochira] that way (direction distant from the speaker, close to the listener)
何方へ[dochirahe] how are you?

何方も[dochiramo] both
何方様[dochirasama] who
何方付かず[docchitsukazu] gray area
何方でも[donatademo] anyone
遣り方[yarikata] manner of doing