Duì / yí / gè / chū / xué / zhě / lái / shuō / dú / zì / wán / chéng / zhè / gè / xiàng / mù / nán / ruò / dēng / tiān

对一个初学者来说，独自完成这个项目难若登天。

For a beginner, completing this project alone would be extremely difficult.