for mercy's sake

phr

• ①[加强祈使句]看在老天爷份上;千万;务请(★for Christ's sake语气最强,故应谨慎使用, for goodness sake语气最温和,而for mercy's sake则为老式的说法)
  • Spare me for mercy's sake.请发慈悲饶了我吧。

• ②[加强疑问句]到底,究竟