line / trace / mark / pattern / grain (of wood etc)
纹
=
文
+
纟
:
Willy Walrus (w) wants to continue reading his favorite book (文) in the encampment's kitchen ((e)n2), but he finds that a silk worm (纟) left a lot of traces (纹) where it ate through the book.
胸
=
匈
+
月
:
Xu Xian (xu) noticed Bela Lugosi (匈) is just going out when the full moon (月) is shining at the night sky and suspects that he is a vampire. Therefore, he plots against Bela and one month later, he rams a stake into Bela's chest (胸) in front of the engine ((e)ng1). Bela just feels a little chest (胸) pain but nothing more, since Xu Xian missed his heart.