windfall

n 1 fruit, esp an apple, that has been blown off a tree by the wind 风吹落的果实（尤指苹果）. 2 (fig 比喻) unexpected piece of good fortune, esp a legacy 意外的好运; （尤指）意外获得的遗产.

wilt, wily, wimp, wimpish, wimple, win, wince, winceyette, winch, wind, wind instrument, wind up, wind-break, wind-cheater (US `wind-breaker), wind-gauge, wind-sock (also `wind-sleeve), wind-swept, wind-up, windbag, winder, windily, windiness, winding, winding-sheet, windlass, windless, windmill, window, window shade, window-box, window-dressing, window-pane, window-shopping, window-sill (also `window-ledge), windowsill, windpipe, windscreen, windscreen (Brit) (US `windshield), windshield, windsurf,