coup de grâce noun
or coup de grace /ˌkuːdəˈgrɑːs/ plural coups de grâce or coups de grace /ˌkuːdəˈgrɑːs/ or coup de grace /ˌkuːdəˈgrɑːs/ plural coups de grâce or coups de grace /ˌkuːdəˈgrɑːs/ Learner's definition of COUP DE GRÂCE
[count] formal
1
: an action or event that finally ends or destroys something that has been getting weaker or worse最后的一击 2
: a hit or shot that kills a person or animal that is suffering(为解除痛苦而给予的)致命的一击