橙
=
木
+
登
:
Charlie Chaplin (ch) notices an orange (橙) hanging on the Christmas tree (木) in the engine's kitchen ((e)ng2), but he'll have to climb (登) to the top of the Christmas tree if he wants to get it.
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.