/pɑrt taɪm ˈjuzər/ – Phrase
Definition: người sử dụng ma túy không thường xuyên.
A more thorough explanation: A “part-time user” refers to an individual who uses a particular service, facility, or resource for a limited or specified amount of time, as opposed to a full-time or regular user who utilizes it on a more consistent or continuous basis.
Example: The part-time user of the software is only permitted to access the system for a maximum of 20 hours per week.