This is the 3494th most frequent Chinese word.
无时
"无时" means "at all times" or "constantly."
Here, '无时' is used to emphasize that the action occurs at all times without exception.
生命无时不在变化。
Life is constantly changing.
In this context, '无时' conveys the continuous and persistent nature of the thought process.
无时不刻地想着未来。
Thinking about the future at every moment.
The usage of '无时' here stresses the perpetual and unwavering commitment to effort.