Definition
To become unable to control one's emotions, often resulting in sudden shouting, crying, or laughing.
指無法控制自己的情緒，突然大聲吼叫、哭泣或大笑。
He completely lost it when he found out he had missed the promotion.
當他發現自己錯過了升職機會時，他完全失控了。
She lost it with tears of joy seeing her children's performance.
看到孩子們的表演，她喜極而泣。
I almost lost it and started shouting when faced with such an unreasonable request.
面對如此不合理的要求，我差點失控開始大喊。