get out of hand
become uncontrollable 难以控制；难以管制
He tried to expand the firm quickly，but his staff did not have enough experience．Production got out of hand and he went bankrupt．他努力迅速扩大他的公司，但是他的职工们没有足够的经验。生产难以控制，结果他破产了。
The children got out of hand during my absence．我不在的时候孩子们不听管教。