直至现在我才发现自立是一件很困难的事情而有那么些时候我却把它想的太过简单。

Up to now I found self-reliance is a very difficult thing and sometimes I see it too easy to think.

youdao

有些工具能容易地记录测试进程，而有些则很困难。

Some tools make it easier to log the progress of testing, some make it harder.

youdao

其中有些教训很简单，而有些却很困难。

Some of these lessons are easy and some are difficult.

youdao