run wild
US /rʌn waɪld/
UK /rʌn waɪld/

1.
tumbuh liar, tidak terkawal, meliar
to grow or develop without control or limits
:
•
The children were allowed to run wild in the park.
Kanak-kanak dibenarkan berlari bebas di taman.
•
His imagination often runs wild when he's writing stories.
Imajinasi beliau sering meliar apabila beliau menulis cerita.