不费力

• ease
• be no exertion to

例句

1. 这样做对他而言并不费力。
   It is no exertion to him to do so.
2. 它可以让用户不费力气就能接到因特网和网络资源上。
   It allows users to effortlessly connect to　Internet and network resources.
3. 他毫不费力地跳过了那堵墙。
   He jumped the wall with ease.