要好用英语怎么说

"To be user-friendly" or "to be easy to use" are common ways to describe something that is easy to use or navigate. This phrase likely originated from the field of user experience design, where user-friendly design is a key consideration.

例句：

The new smartphone has a user-friendly interface that makes it easy to use.
The website has been redesigned to be more user-friendly and intuitive.
The instruction manual for the appliance is clear and user-friendly, so even a beginner can use it easily.

翻译：

新智能手机的界面非常好用，使用起来非常方便。
网站已经重新设计，更加容易使用和直观。
这个电器的说明手册很清楚，使用起来非常容易，即使是初学者也可以轻松使用。