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

1.
berkembang liar, meliar, tidak terkendali
to grow or develop without control or limits
:
•
The children were allowed to run wild in the park.
Anak-anak diizinkan berlari bebas di taman.
•
His imagination often runs wild when he's writing stories.
Imajinasi dia sering meliar saat dia menulis cerita.