七
=
一
+
乚
:
Mnemonic symbol: the Seven-Branched (七) Laser Sword. The Queen of Hearts (qi) is testing her new Seven-Branched Laser Sword (七) in front of the space station (Ø1). She's slicing flutes (一) and shovels (乚).
妹
=
女
+
未
:
Bessie Coleman, (女) her younger sister (妹), Mahatma Gandhi (m) and Ai Weiwei (未) are playing a game of Schafkopf in the Eiffel Tower's bathroom (ei4). Somehow Bessie and her sister always end up in the same team, which makes Mahatma Gandhi and Ai Weiwei very suspicious.
星
=
日
+
生
:
The sun (日) and a satellite (星) had a love affair and now have a baby: Xi Shi (xi) is quietly sleeping in her little cradle (生) in front of the engine ((e)ng1).
round / lump / ball / to roll into a ball / to gather / regiment / group / society / classifier for a lump or a soft mass: wad (of paper), ball (of wool), cloud (of smoke)
团
=
囗
+
才
:
Tommy Turtle (tu) inspects the super secret box (囗) in the anthill's kitchen (an2). He's not supposed to open it, but with his super X-ray vision ability (才), he can see that it is filled with balls (团) and dumplings (团).