YOU SAID:
it is very hard to build a good web application
INTO JAPANESE
優れた Web アプリケーションを構築するのは非常に難しい
BACK INTO ENGLISH
Building good web applications is very hard
INTO JAPANESE
優れた Web アプリケーションを構築するのは非常に難しい
BACK INTO ENGLISH
Building good web applications is very hard
That didn't even make that much sense in English.