The Vietnamese phrase "chẳng bao giờ" translates to "never" in English. It is used to express that something does not happen at any time or will not happen at all.
Basic Example:
In a Question:
While "chẳng bao giờ" and "không bao giờ" can be used interchangeably, "chẳng bao giờ" is often considered more informal or conversational.