プログレッシブ和英中辞典(第4版)の解説
いんけん【陰険】
陰険な 〔悪賢い〕crafty；〔二心ある〕treacherous
陰険な人物
a person who might knife you in the back／《口》 a person who is waiting for a chance to do you in
陰険な目付きで
with a sinister look
彼は陰険なやり方で同僚を陥れた
He used a dirty trick to entrap his colleague.
彼女は陰険な手段で望みの物を手に入れた
She obtained what she wanted by underhand [《米》 underhanded] means.