body blow
noun [ C ] uk/ˈbɒd.i ˌbləʊ/ us/ˈbɑː.di ˌbloʊ/
严重的挫折；沉重的打击
something that causes serious problems and disappointment for a person trying to do something
Having all her research notes stolen was a real body blow for her. 她的研究笔记全部被盗对她是个沉重的打击。
（对身体主要部位的）打击
a hit to the main part of your body