纤
=
千
+
纟
:
Marie Curie (xi) finds that there are many fine (纤) silk worms (纟) in front of the anthill (a1). She wants to preserve the delicate (纤) worms and thus puts a kilo (千) on them to press and dry them.
腰
=
月
+
要
:
Maud Younger (y) is teaching the moon (月) how to dance in front of the aorta (ao1). She tells him again and again that he absolutely has to (要) use his hips (腰) more, as it is very important (要).