反躬自問

反 = ⺁ + 又 : A protester (mnemonic symbol for 反) makes a racket in the anthill's living room (an3). He's got a huge banana tree (⺁) with him and wants to protest against the exploitation of banana farm workers. Frankenstein's Monster (f) is annoyed by him and punches him with a boxing glove (又).

躬 = 弓 + 身 : Gitta Giraffe (gu) tries to personally (躬) shoot herself (躬) with a composite bow (弓). In front of the engine she bows (躬) to fit her body (躬) into the bow, and so as to not get her clothes stuck in the bowstring she wears a well-fitting body suit (身).

躬 = 弓 + 身 : Gitta Giraffe (gu) tries to personally (躬) shoot herself (躬) with a composite bow (弓). In front of the engine she bows (躬) to fit her body (躬) into the bow, and so as to not get her clothes stuck in the bowstring she wears a well-fitting body suit (身).

自 = 丶 + 目 : Mnemonic symbol: a hand mirror, which someone uses to look at themselves.

The Eye of Providence (目) is looking at itself (自) in a handheld mirror (自) in the space station's bathroom (Ø4). It think it's indeed looking very good, since Zorro (z) attached a petal (丶) to its eye (目).

问 = 口 + 门 : Willy Walrus sees a mouthwatering mandarin hanging over a door in the floor of the encampment's bathroom. He asks himself: "is it a trap?"