所言不虚

所 = 戶 + 斤 : Susan Saint Bernard and her whole family are weight lifting in the place of the observatory. They are all together lifting one barbell.

言 = 亠 + 二 + 口 : The horizontal lines look like sound waves that emerge from an opening: I'll resemble 言 by a megaphone.

言 = 亠 + 二 + 口 : Maud Younger rushes into anthill and in the kitchen she uses a megaphone to loudly announce that the world revolution will soon start. She also tells the people that she has berets for everyone so that everyone will be able to be in style for the revolution. However she doesn't tell that she prepared the berets in another way: to each beret, she attached a mandarin via two capacitors which forms a formidable antenna, so that after the revolution, she'll be able to transmit her speeches directly to the wearers' brains.

不 = 丆 + 卜 : Bruno Bear (bu) is setting up a wind wheel (丆) with a voodoo staff (卜) in the space station's bathroom (Ø4). He also puts a "forbidden" sign (mnemonic symbol for 不) on it, to make clear that it may not (不) be stopped.

虚 = 业 + 虍 : Xu Xian (xu) and the bullfrog (业) were preparing for a football game in front of the space station (Ø1) and had already painted eye black stripes (虍) onto each other when suddenly a black hole (虚) appeared and sucked their eye black off again before collapsing.