conceal: conceal v. 隠す, 包み隠す, おおう.【副詞1】The moth hole was artfully concealed with a brooch.衣蛾(いが)の食った穴がブローチで巧みに隠されていたShe carefully concealed her true intentions.周到に真の意図を隠したbe effectively concealed from view事実
conceal a murder: 殺人{さつじん}を犯したことを隠すHe was struggling to conceal a murder.