天
=
一
+
大
:
Mnemonic symbol: an angel from heaven. Mother Teresa (ti) programmed a robot (大) to play a flute duet together with her in front of the anthill (an1). As they play their flutes (一) an angel (mnemonic symbol for 天) hears their heavenly tune and descends from heaven (天) to listen to them.
down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action
下
=
一
+
卜
:
Mnemonic symbol: from the up/down logic, and a little bit the shape of the character, a ladder.
Xi Shi (xi) is on a retreat in the ashram. Using a voodoo staff (卜), she divined that next (下) week she'll have to play the flute (一) sixteen hours per day. Because she hates playing the flute, she climbs over the ashram's bathroom (a4) wall using a ladder (下) to escape.
The first concern is affairs of state, enjoying the pleasure comes later. Quotation from essay On Yueyang Tower 岳陽樓記|岳阳楼记 by Song writer Fan Zhongyan 范仲淹[Fan4 Zhong4 yan1]