(1) flat feet
Five words begin and end.
Seven words are equal and even, even and even.
(2) Flat feet
Five words are equivalent, and the same is true.
Seven words are equal, close, equal and equal.
③ Rub-rub your feet
Five words are equal, and they are equal.
Seven words start from the beginning, end from the beginning and end from the beginning.
(4) Flat feet
It's fair to start with five words.
The seven words are Ping, Ping, Ping and Ping.
So there are only four kinds of parallelism in the seven laws, and these four kinds can also form two couplets, namely:
Ping, ping,
Even, even, even.
Very simple, very simple,
Flat and light, flat and light.
Four and even tones:
Four tones refer to four tones in Chinese. Tone refers to the level, fluctuation and length of sound. Among them, height and fluctuation are the main factors.
There are four tones in ancient Chinese: Ping, Shang, Qu and Ru. Flat tone is the flat tone in poetry, and rising tone, falling tone and entering tone are the flat tones in poetry. According to the meaning of this word, flat sound means uneven.
There is no Rusheng in modern lingua franca, and there are Rusheng and archaic sounds in some dialects, which is why we find it particularly pleasant to read ancient poems in Cantonese. Many poems that don't rhyme when we read Cantonese now, because Cantonese retains a lot of entering tones, and Cantonese is also close to ancient Chinese.