I was a gibbering wreck by this stage.
我到这时候说话已颠三倒四，神经高度紧张。
柯林斯例句
He cowered in the corner, gibbering with terror.
他蜷缩在角落里，吓得语无伦次。
《牛津高阶英汉双解词典》
What's he gibbering away about?
他在胡扯些什么?
互联网
He cowered in the corner, gibbering with terror.
他蜷缩在角落里, 吓得喃喃自语.
互联网