It's hard to + n.比如 It's hard to straight.

问题描述:

It's hard to + n.比如 It's hard to straight.

这是个典型的it做形式主语的句型.
结构为:”It is + adj.+ to do sth“或“It is + adj.+ that 从句”
其中it为形式主语,真正主语为后面的动词不定式“to do sth”或“that从句”.
翻译方法为“做...是 如何的”.
所以,这里It's hard to 后面应该加动词.
希望能帮助到您.