your eyes pop out of your head idiom informal
（表示惊奇）眼睛瞪得都要掉出来了
a way of describing the way you look when you are extremely surprised to see something or someone
When she saw the amount written on the cheque, her eyes nearly popped out of her head. 当她看到支票上的数字时，她的眼珠子瞪得都快要掉出来了。