oath

n.誓言

o'er, O, o, O, oh, O.K., oaf, oafish, oak, oak-apple, oaken, OAP, oar, oarfish, oarlock, oarsman, OAS, oasis, oast, oasthouse, oat, oatcake, oatmeal, oats, OAU, ob, obbligato, obbr.(=Music TV), obduracy, obdurate, OBE, obedience, obedient, obediently, obeisance, obelisk, obese, obesity, obey, obfuscate, obfuscation, obiter dictum,