doddle

n [sing] (infml 口) task or activity that is easily performed 轻而易举的任务或活动: That hill's an absolute doddle (to climb). （爬）上那座山岗毫不费力. * It's no doddle being a teacher, you know. 你知道, 当老师决非易事.

docile, docilely, docility, dock, docker, docket, dockland, dockyard, doctor, doctoral, doctorate, doctrinaire, doctrinal, doctrine, document, documentary, documentation, dodder, dodderer, doddering, dodge, dodgems, dodger, dodgy, dodo, doe, doer, does, doff, dog, dog days, dog-biscuit, dog-collar, dog-eared, dog-leg, dog-like, dog-paddle (also doggie-paddle), dog-tired, dog-tooth, dog-trot,