1、He spoke without reserve of his time in prison.
他毫無保留地述說了他在監(jiān)獄中的事。

2、He spoke without reserve (ie freely) of his time in prison
他毫無保留地（直言不諱地）述說了他在監(jiān)獄中的事.

3、Time is a big glass containers, anything can be it without reserve to receive.
時間是個盛大的玻璃容器，任何事情都可以被它毫無保留的收納。

4、Explain out without reserve the calligraphy magic power that China spreads fame the overseas.
把中國名揚海外的書法魅力毫不保留地詮釋出來。

without reserve翻譯