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

ユーモアの感覚[yuumoanokankaku] sense of humor
ロボットの視覚[robottonoshikaku] robot vision
圧覚[akkaku] sense of pressure
覚え[oboe] memory
覚える[oboeru] to memorize

覚ます[samasu] to awaken
覚める[sameru] to wake
覚悟[kakugo] resolution
覚者[kakusha] enlightened person
感覚[kankaku] sense