1to be very worried or angry about something, especially because you do not know what to do 〔尤因不知怎么办而〕极其担忧[愤怒];〔因焦急、愤怒而〕撕扯自己的头发
Anyone else would have been tearing their hair out trying to follow these instructions.
换了谁来解决这个问题都会急得焦头烂额的。
Examples from the Corpus
be tearing/pulling your hair out• Anyone else would be tearing his hair out, confronted by a pack of jabberingforeigners, but does Feargal?• I was pulling my hair out.
2British EnglishBrE informalWORRIED to feel anxious and upset because you are worried, or because you have to deal with something that is very difficult 〔对某事〕极其烦恼
I’ve been tearing my hair out trying to get done in time.