栗
=
覀
+
木
:
Li Qingzhao (li) is beating chestnuts (栗) off the Christmas tree (木) in the space station's bathroom (Ø4) using a knuckle duster (覀). She beats them so hard that the chestnuts open the very moment the knuckle duster hits them.
tree / wood / coffin / wooden / simple / numb / one of the eight categories of ancient musical instruments 八音[ba1 yin1]
木
=
八
+
十
:
Mnemonic symbol: a Christmas tree. Malte Monkey is putting up a Christmas tree (木) in the bathroom of the space station (Ø4). He's using a cross (十) as a base to put the tree on, and decorates the tree with eight-balls (八).