/wɔːk ɪn rɪˈkwɛst/ – Phrase
Definition: lời thỉnh cầu trực tiếp.
A more thorough explanation: A “walk-in request” refers to a situation where a person physically enters a place of business or organization without an appointment or prior arrangement, and makes a request for a service, information, or assistance.
Example: A walk-in request is when a person physically comes into a government office to submit a form or make an inquiry without having made an appointment beforehand.