I find it hard to know who my real friends are.
= I find it difficult to know who my real friends are.
= I find (that) it is hard/difficult to know who my real friends are.
注:/ 表示可以任意选用其一;( )表示可以省略不写.
I find it hard to know who my real friends are.
= I find it difficult to know who my real friends are.
= I find (that) it is hard/difficult to know who my real friends are.
注:/ 表示可以任意选用其一;( )表示可以省略不写.