to add insult to injury 雪上加霜

Insult 的意思是侮辱，injury 的意思是受伤。To add insult to injury 的字面意思是“受伤了还被侮辱”，实际含义是“雪上加霜、在伤口上撒盐”。人们常用它来表示气愤的心情。

例句

My brother said my clothes were shabby, and then to add insult to injury, he suggested that I should lose some weight. 

我弟弟说我的衣服太旧了，更令人气愤的是他还说我应该减肥了。

They told me I was too old for the role, and then to add insult to injury, they asked me to pay for their expenses!

他们告诉我，我太老了，所以不能出演这个角色。更糟糕的是他们还要求我支付他们的费用。

First of all, Jake was one hour late for dinner, then adding insult to injury, he started to complain about my choice of restaurant.

首先，杰克晚了一小时才到餐厅，结果他又开始抱怨我选的餐厅，真让人受不了。