I've been studying chinese HSK courses and I've found that the Hello Chinese app is a great tool to support that. I've been making Flash cards with Anki for revision of the words covered in their lessons. Here, I've shared a collection of decks that each correspond to the words that are introduced in the lessons 12-31 in the Hello Chinese app's standard course. These are the lessons that are marked on the app as being up to HSK2 level . The front side of the deck of course has a word. The reverse side is where I've put in most of the work, collecting information from various resources including the ones mentioned below. Each card's answer features a variety of information to support the learned word. These include (for most cards):