He found it easy to earn extra money.
他发现赚点额外收入是容易的。
I found it difficult to understand the purport of his speech.
我发现要了解他演讲的主旨是非常困难的。
I found it important to learn spoken English.
我发现学习英语口语是很重要的。
They find it hard to master a foreign language.
他们发现要把握一门外语是困难的。
I find it hard for him to work the problem out.
我发现解决这个问题对他来说很难。
I find it easy to learn English well.(我发现学好英语很容易)
find it interesting to read a book
She finds it hard to learn English