what for

为什么要做……

wet dream, wet fish, wet suit, wet-nurse, wether, wetlands, wetly, wetness, whack, whacked, whacking, whale, whalebone, whaling, wham, wharf, what, What a nuisance!, what about, What about...?, what if, What if...?, what is more, What's up?, what-d'you-call-him/-her/-it/-them, what...is (looks) like, whatever, whatever (also whatsoever), whatnot, whatsoever, wheat, wheat germ, wheatcake, wheaten, wheatmeal, wheedle, wheel, wheel-house, wheelbarrow, wheelbarrow (also barrow),