"直到那时他才意识到掌握良好学习方法的重要性"用英语怎么说

Untill that time did he realized the importance of grasping good learning method 力挺川外南译~together as the the friends we will always be!

He has just realized the importance of learning until that moment.
以上是我对这个句子的翻译，希望你满意！^^

It was not until then he came to realize the importance of mastering the good way of learning.

Until then did he realize the importance of learning grasp good method