入门

学习一门外语，刚入门的时候最需要耐心。

When you first start learning a foreign language, patience is especially important.

只要你掌握了基础，这门技术很容易入门。

Once you've mastered the basics, this technology is easy to get started with.

这本书是电脑初学者的最佳入门指南。

This book is an excellent introductory guide for computer beginners.

他写了一本关于汉语入门的教科书。

He wrote an introductory textbook for learners of Chinese.