封斋 fēng zhāi to fast (she says it’s only for Muslims, but I think she means is it has religious connotations, since it can also be applied to Lent)
This account does a lot of daily life scenarios, sometimes she’ll interview a friend. This Ramadan explainer is a little over-simplified but has some good vocab! (also to note, yes the Hui minority is Muslim, but there are regional differences, and there are also non-Hui Muslim Chinese. for more on ethnic minority definition mess see)