(as) cunning as a fox
01
キツネのようにずる賢い, 抜け目ない
used to refer to someone who tends to achieve things in a clever way, particularly by deceiving other people
idiom
例
Be careful when dealing with him; he's as cunning as a fox and can trick you into making a bad deal.
取引の交渉になると、彼はキツネのようにずる賢い。
