警方逮捕了这起银行抢劫案的主谋。
The police arrested the ___mastermind behind the bank robbery.
他策划了整个营销活动,取得了巨大成功。
He ___masterminded the entire marketing campaign, which turned out to be a huge success.
警方怀疑他在幕后策划了这次高科技艺术品盗窃案。
The police suspect he was ___masterminding the high-tech art theft behind the scenes.