run wild
US /rʌn waɪld/
UK /rʌn waɪld/
1.
野蠻生長, 放任自流, 天馬行空
to grow or develop without control or limits
:
•
The children were allowed to run wild in the park.
孩子們被允許在公園裡撒野。
•
His imagination often runs wild when he's writing stories.
他寫故事時，想像力常常天馬行空。