double-edged

adj

• ① 双刃的
  • a double-edged sword双刃剑

• ② 有表里二义的;(论据)正反两面的;模棱两可的
  • a double-edged compliment褒贬两可的恭维
  • His praise is often double-edged.他的称赞常常是褒贬两可。