dumb-bell

n 1 short bar with a weight at each end, used for exercising the muscles, esp those of the arms and shoulders 哑铃. 2 (US infml 口) stupid person 笨蛋; 蠢货.

duet, duff, duffer, duffle (also duffel), duffle bag, duffle-coat, dug, dug-out, duke, dukedom, dulcet, dulcimer, dull, dullard, dullness, dully, duly, dumb, dumb show, dumb waiter, dumbfound (also dumfound), dumbly, dumbness, dumdum, dummy, dummy run, dump, dumper, dumpiness, dumping, dumpling, dumps, dumpy, dun, dunce, dunce's cap, dunderhead, dune, dung, dungarees,