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

威喝[ikatsu] threatening
一喝[ikkatsu] cry in a thundering voice
喝采[kassai] acclamation
喝破[kappa] arguing someone down
恐喝[kyoukatsu] blackmail

脅喝[kyoukatsu] threat
恫喝[doukatsu] intimidation
大喝[daikatsu] shouting in a thunderous voice
恐喝罪[kyoukatsuzai] (the crime of) extortion
拍手喝采[hakushukassai] clapping and cheering