Radical 纟
8 strokes
練
thread 纟 (233a) + select
(713a) = train 练
[熟练 (696) shúliàn skilled, skilful]

“You must learn how to select the correct thread if you want to train to become a dressmaker.” / Two dwarves come round with a selection of things to test the students’ skills, including lentils (in place of sequins) to sew onto dresses.