add insult to injury字面意思是：受了伤之外还受到侮辱，可以引申为雪上加霜;更糟糕的是。

【例句】
First, they lost the match, and then, to add insult to injury, one of players was suspended for cheating.
首先，他们输掉了比赛，然后，雪上加霜的是，其中一名球员因作弊被停赛。

The company rejected his application for a job, and to add insult to injury, refused to pay his expenses.
公司拒绝了他的工作申请，更糟糕的是，拒绝支付他的费用。