In spoken American English, to go off the deep end means to lose control of your emotions, usually anger or sadness.

在美式口语中，“暴跳如雷”指无法控制自己的情感，通常非常生气或沮丧。

" To go off the deep end" means to go crazy, to stop being realistic.

“To go off the deep end” 意思是发疯， 不再现实。

I was ready to go off the deep end when I saw the two of them together.

当我看到他们两个在一起时，我正准备离开深渊。