If you describe someone's behaviour as uncontrolled, you mean they appear unable to stop it or to make it less extreme.
His uncontrolled behaviour disturbed the entire class.
他无法无天的行为扰乱了全班的秩序。
If a situation or activity is uncontrolled, no one is controlling it or preventing it from continuing or growing.
The capital, Nairobi, is choking on uncontrolled immigration.
首都内罗毕因大批移民的涌入而拥挤不堪。