词语

胸有成竹胸有成算。比喻作事之先已有成算在胸。例岂知皮匠胸有成竹早把火刀、火石摸在手中一敲就着。——清李绿园《岐路灯》英to have a well-thought-out plan beforehand; have a card up one's sleeves; have a contrivance ready;