(the 3rd part of a 3-part construction: 非[fei1] + (noun) + 莫屬|莫属, meaning "to be none other than (noun); would have to be (noun)") (this construction comes after a description of a person or thing that has a certain attribute)
莫
=
艹
+
日
+
大
:
Mnemonic symbol: 莫扎特, Mozart. Mozart (莫) is giving a concert in the observatory's bathroom (o4). He is sourroundes by sheets of artificial lawn (艹), and since there is none who (莫) is allowed to touch the lawn, it is guarded by a big robot (大). Mahatma Gandhi (m) is in the audience and in the middle of the concert he jumps on the lawn to protest against the sun (日), who is also in the audience, because the sun is responsible for draughts which threaten the farmers. In the end the robot has to carry Gandhi away.
category / genus (taxonomy) / family members / dependents / to belong to / subordinate to / affiliated with / be born in the year of (one of the 12 animals) / to be / to prove to be / to constitute
属
=
尸
+
禹
:
暴龙属 is the genus Tyrannosaurus, and I'll use a T-Rex as mnemonic symbol.
The great Yu (禹) built a dyke to prevent Sheldon Shrimp (shu) from entering his side of the space station (Ø3), but then a T-Rex (属) ghost (尸) starts to haunt him until he tears down his dyke.