doomsday

n [U] 1 day of the Last Judgement; the end of the world 最後审判日; 世界末日. Cf 参看 Domesday Book. 2 (idm 习语) till `doomsday for ever; a long time 永远; 很长时间: This work will take me till doomsday. 这工作要花我一辈子的时间.

domino, domino effect, don, Don Juan, Don Quixote, don't, don'ts, donate, donation, done, donjon, donkey, donkey engine, donkey jacket, donkey-work, donnish, donor, doodle, doom, doomed, door, door-bell, door-frame, door-handle, door-keeper, door-knob, door-knocker, door-plate, door-way, doorbell, doorknob, doorman, doormat, doornail, doorpost, doorstep, doorstop, doorway, dope, dopey (also dopy),