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

惚け[boke] idiot
一目惚れ[hitomebore] to be taken with someone at first sight (similar to "love at first sight", but not as strong)
惚ける[houkeru] to grow senile
惚れる[horeru] to fall in love
惚れ惚れ[horebore] fondly

惚れ込む[horekomu] to be charmed by
惚気る[norokeru] to play up
時差惚け[jisaboke] jet-lag
自惚[unubore] pretension
自惚れる[unuboreru] to be conceited

御目出度う御座います[omedetougozaimasu] congratulations
駄目になる[dameninaru] to spoil
繋ぎ目[tsunagime] joint
軽目焼[karumeyaki] hard caramelized sugar candy
駄目押し[dameoshi] making doubly sure

一つ目[hitotsume] one-eyed
一合目[ichigoume] the start of a climb up a hill
一丁目[icchoume] Block 1
ひと目[ichimoku] (a) glance
一目惚れ[hitomebore] to be taken with someone at first sight (similar to "love at first sight", but not as strong)