plant an idea/doubt/suspicion (in somebody's mind)BELIEVEto make someone begin to have an idea, especially so that they do not realize that you gave them the idea 使想法/怀疑/猜疑植根于（某人的头脑），（给某人）灌输想法/怀疑/猜疑 Someone must have planted the idea of suicide in his mind. 一定是有人在他的脑子里灌输了自杀的念头。
plant an idea/doubt/suspicion (in somebody’s mind)• Their conversation had planted doubts in Dennis' mind about the partnership.
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