to practice / to train / to drill / to perfect (one's skill) / exercise / (literary) white silk / to boil and scour raw silk
练
=
纟
+
一
+
东
:
Li Qingzhao (li) and the silk worm (纟) are working out (练) in the anthill's bathroom (an4). They set up an Oriental Pearl Tower (东) to which they attached a huge flute (一) as horizontal beam, so that they can practice (练) pull-ups.