He is good at cooking. It means to appear to be talented, to have the ability to surpass others or the average level in a certain aspect, and to be seen to be greater or more than before. It is also seen in "Refeng", Lu Xun's "Refeng·Knowledge is Sin", and Lao She's "Refeng". Longxugou·Character List" and other articles.

Knowledge jiàncháng: Refers to having special skills and having the ability to surpass others or the average level in a certain aspect.

Knowledge jiànzhǎng: It can be seen that it has increased or increased compared with the original.

Examples of "cooking skills":

1. Xiao Chen's cooking skills are very good. Even if he only uses simple ingredients, he can make delicious dishes with relish.

2. After more than ten years of painstaking study, his cooking skills have reached the point of perfection.

3. I admire my mother’s cooking skills so much. How else could I be strong?