Old Harry (also Old Nick, Old Scratch)

(dated infml joc 旧, 口, 谑) the devil 撒旦; 魔王.

oilfield, oiliness, oilskin, oily, ointment, okapi, okay, okay (also OK), okey, okra, old, old age, old boy, old boy (fem 阴性作 `old girl), Old English, old fogey (US old fogy), old folk, old folks' home, old girl, Old Glory, old lady, old lag, old maid, old man, old man's beard, old master, old school, old stager, old sweat, old woman, old-fashioned, old-maidish, old-time, old-timer, old-world, olden, oldie, oldish, oldster, oleaginous,