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

如何わしい[ikagawashii] suspicious
如何にも[ikanimo] indeed
如何[dou] how
如何言う[douiu] somehow
如何致しまして[douitashimashite] you are welcome

一如[ichinyo] oneness
欠如[ketsujo] lack
光陰矢の如し[kouinyanogotoshi] time flies like an arrow
真如[shinnyo] tathata (the ultimate nature of all things)
不如帰[fujoki] lesser cuckoo (Cuculus poliocephalus)

この先の心持ち[konosakinokokoromochi] feelings from this point on
御心配なく[goshinpainaku] don't worry
愛郷心[aikyoushin] love of one's hometown
愛国心[aikokushin] patriotic feelings
悪心[akushin] evil thought

悪心[oshin] nausea
安心[anshin] relief
安心立命[anshinritsumei] spiritual peace and enlightenment
以心伝心[ishindenshin] telepathy
依頼心[iraishin] spirit of dependence

一つ身[hitotsumi] baby clothes
一身[ichimi] partisans
一身[isshin] oneself
一身上[isshinjou] personal (affairs)
黄身[kimi] egg yolk

化身[keshin] incarnation
我身[wagami] myself
献身[kenshin] dedication
肩身[katami] shoulders
肩身が狭い[katamigasemai] feeling ashamed