burn your fingers/get your fingers burnedinformalHARM/BE BAD FOR to suffer the unpleasant results of something that you have done 〔因自己做的事〕吃苦头,吃亏 I tried a dating agency once, but got my fingers badly burnt – I’ll never do it again. 我找过一次婚姻介绍所,结果吃了大亏——我以后再也不这样做了。
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