frustrating

adj annoying; discouraging 使人心烦的; 使人讨厌的; 使人灰心的; 使人沮丧的: I find it frustrating that I can't speak other languages. 我不会说别的语言, 感到惘然若失.

frugally, fruit, fruit machine, fruit salad, fruit-cake, fruit-fly, fruit-knife, fruiterer, fruitful, fruitfully, fruitfulness, fruition, fruitless, fruitlessly, fruitlessness, fruity, frump, frumpish, frustrate, frustrated, 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, fugitive,