frustrated

a.灰心的，沮丧的

frugality, frugally, fruit, fruit machine, fruit salad, fruit-cake, fruit-fly, fruit-knife, fruiterer, fruitful, fruitfully, fruitfulness, fruition, fruitless, fruitlessly, fruitlessness, fruity, frump, frumpish, frustrate, frustrating, frustration, fry, fry-up, fryer (also frier), frying-pan, frying-pan (US fry-pan), FT, fuchsia, fuck, fuck-all, fuck-up, fucker, fucking, fuddle, fuddy-duddy, fudge, fuel, fug, fuggy,