Knock delicious is means super delicious.

Knock is an Internet term meaning super, said with a cute connotation.

Chao, pronounced chāo, is a common Chinese character (Grade 1), the earliest of which comes from the small seal script of the Shuowen (说文), the original meaning of which is to leap up, which is derived from the meaning of leap up to the meaning of jump over, which is derived from the meaning of skip to the meaning of go beyond and surpass, which is derived from the meaning of exceeding to the meaning of transcendence and transcendence, and which is further derived to the meaning of transcendence and transcendence.

Colloquial network terms

Network language chat is mainly literal communication, but the essence is still classified as colloquial, so the daily life of the tone of voice auxiliary words in the network is also very common, coupled with the lack of face-to-face communication of the network has other body and expression language, the tone of voice will be able to fully accentuate and mobilize the atmosphere of the network when communicating.

For example: "Wow, you finally showed up!" "Oh, it's the sauce!" etc. In these two sentences, "wow, oh" is often used in life, and such words are used as auxiliary words online, regardless of their original properties.