了然于胸了然：了解、明白。心里非常明白。[查看详情]

料事如神形容预测事情极为准确。例何师爷广有韬略料事如神。——清李宝嘉《官场现形记》英foresee with divine accuracy; predict like a prophet; foretell things with miraculous accuracy like a prophet;[查看详情]

心照不宣照：默契知晓。宣：公开说出。彼此心里都明白不必说明。例明白这一点对于所谓“隐士”也就毫不诧异了心照不宣，彼此都省事。——鲁迅《隐士》英implicit; have a tacit understanding;[查看详情]

知己知彼对自己和对方都了解得很透彻。英knowing one's own situation and that of the enemy;[查看详情]

成竹在胸成竹：现成完整的竹子。画竹前竹子的完美形象已在胸中。比喻处理事情之前已有完整的谋划打算。英have a well-thought-out plan;[查看详情]

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;[查看详情]