小试牛刀

小 = 八 + 亅 : Mnemonic symbol: a small daisy. 小 looks like the stem 亅 of the flower is pushing aside the earth 八 as it grows out of the seed in the ground.

Xi Shi (xi) is decorating her hair with lots of small (小) daisies (mnemonic symbol for 小) in the aorta's living room (ao3). She wants to have lots of daisies in the future as well, so she plants new daisies. She found that the perfect substrate for planting daisies is made by crushing eight-balls (八) with a crow bar (亅).

试 = 式 + 讠 : Sherlock Holmes is doing an eye examination with the goth in the space station's bathroom. Sherlock set up a table with differently sized letters on an advertising column and has the goth read out the letters.

牛 = 𠂉 + 十 : A bull has been locked to a big cross in the outhouse's kitchen, and Nefertiti has the key. She promises to free the bull if he pledges allegiance to her leadership.

刀 = ㇆ + 丿 : Mnemonic symbol: 刀 looks like a cleaver (while 刂 looks like a kitchen knife).

Don Quixote (d) serves his good deed of the day in front of the aorta (ao1). In order to feed the people, he uses a plow (㇆) to dig up bananas (丿), and cuts them into slices with a broad cleaver (刀).