Dui · Lake
澤、喜悅、開口的圖象。在上卦代表表達、流出；在下卦代表內藏的喜、底層的水汽。兌多半和溝通、口、表達有關。
Lake, joy, opening. Above: expression, outflow. Below: hidden joy, underlying moisture. Dui often signals communication, the mouth, expression.
兌 在上卦的 8 個卦
當這個象在上卦時，通常代表外在、主導、高位的角色，下卦則是它作用的對象。
When this trigram is upper, it typically represents the external, dominant, high position. The lower trigram is what it acts upon.
兌 在下卦的 8 個卦
當這個象在下卦時，通常代表內在、基礎、受影響的角色，上卦則是來自外部的力量。
When this trigram is lower, it typically represents the internal, foundational, affected position. The upper trigram is the external force.
從上面任一組挑三個還沒讀過的卦，按如何讀象的六步去讀。 注意兌在不同位置的功能差異：它在上卦時的動作，和在下卦時的動作不一樣。
Pick three hexagrams from above you haven't read, and walk through the six-step reading. Notice how Dui's function shifts between upper and lower: same image, different role.