乂义丈史吏使更便 in this character series we see the unfolding of an abstract concept into its various concrete instances. Meanings: govern justice husband historian civil servant ambassador more convenient. Details follow.
regulate govern control “x marks the spot”. yi4
justice. this is simplified. revolutionary justice is execution: it doesn’t just look like a skull and crossbones. yi4
Literally ten feet but much more frequently as zhangfu, husband. zhang4
Originally an ambassador who would go to the neutral zone between (中) two armies. So it is a distortion of zhong1 (中). In modern Chinese: a historian. shi3
Memotechnique: Mr. Li is a civil servant. 李先生 是一位 吏
Although the name li (李) means plum tree the term li means civil servant, functionnaire, bureaucrat. li4
Ambassador. To differentiate the ambassador from a mere historian or civil servant administrative scholar the human determinant is added to the left. 大使馆 dashiguan embassy. shi3
This is the night watchman he bears a drum and beats out the time every Two Hours. By extension: exchange, rotation. The idea is that of the night watchman so it’s meaning requires a bit of context. The guard walks the central (中) field (田) between two competing armies. His patrol rounds are TWO HOURS; CHANGING (of the guard). geng1 One civil servant walks the field at two a.m. to sound the night watch of the changing of the guard.
This is the night watchman By extension: more. His patrol is two MORE hours. One civil servant walks the field (田) at two a.m. to sound the night watch of the changing of the guard. geng4
Convenient; euphemism for using the toilet because it is ORDINARY and CONVENIENT to USE THE TOILET
Memotechnique: some guy at 2 a.m. off to the side of the night watchman taking a piss in the woods. This is why he is not an ambassador historian or civil servant! bian4
Cheap, inexpensive. Pian2. CHEAP things cost a penny pianyi. Cheap things are convenient.