嗽
=
口
+
欶
:
Socrates (s) made a mandarin (口) drink in the outhouse's bathroom (ou4) and filled it in a drinking bottle (欶), but he did it very sloppy: there are still big pieces of and even whole mandarins in the drink. As he sucks and sucks at the bottle finally he sucks in a whole mandarin and coughs (嗽) without end.
欶
=
束
+
欠
:
Mnemonic symbol: a drinking bottle, one of those where you have to suck to drink. Sheldon Shrimp (shu) finds a drinking bottle (欶) in the observatory's bathroom (o4) over a bundle of firewood (束). There is a small fire to keep the bottle's content warm. Sheldon doesn't hesitate, grabs the bottle and empties it, sucking (欶) and drinking (欶) the warm beverage. He carelessly throws an IOU note (欠) towards the bundle of firewood, but it almost instantly touches the fire and burns to ashes.