有时的温柔不代表一辈子
[yŏu shí de wēn róu bù dài biăo yī bèi zi]
This username conveys the message that occasionally being gentle does not mean one will be like this for a lifetime. The user is hinting that appearances can be deceiving and someone's current nice behavior might change. Such a sentiment can come up in many different life experiences, especially in matters of the heart or relationships with others.