If the event handler cancels this event, the user cannot change the text.

如果事件处理程序取消此事件，则用户无法更改该文本。

youdao

However, in this mode, the user cannot change the information that the input message delivers.

但是在此模式下，用户不能更改输入消息所交付的信息。

youdao

On the Account page, make sure that you select the User cannot change password and password never expires options as shown in figure 6.

在Account页面上，确保选中user can not change password and password never expires选项，如图6所示。

youdao

The user cannot change this app's status, possibly due to active restrictions such as parental controls being in place.

ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog