donkey-work

n [U] hard dull part of a job; drudgery 乏味而苦的工作; 苦活儿: Typical we do the donkey-work and he takes the credit! 重活我们干, 功劳归他得--一向如此!

domination, domineer, domineering, domineeringly, Dominican, dominion, domino, domino effect, don, Don Juan, Don Quixote, don't, don'ts, donate, donation, done, donjon, donkey, donkey engine, donkey jacket, donnish, donor, doodle, doom, doomed, doomsday, door, door-bell, door-frame, door-handle, door-keeper, door-knob, door-knocker, door-plate, door-way, doorbell, doorknob, doorman, doormat, doornail,