LingoYes CIIC 4 months ago:

In recent years, catchwords have been more popular online. Chinese catchwords have appeared more frequently in our daily life and on some social software. In this video, we are going to teach you one of the most popular catchwords—“了解一下 liǎo jiě yí xià”. After seeing this video, you can remember some catchwords, and then you can try to put this phrase into the conversation.
https://youtu.be/rumosxCi0qI