To generate: if you're trying to learn Japanese, you can use the Yomichan [1] (or Yomitan now that Yomichan [2] has been sunset) extension for Chrome or Firefox which integrates with Anki so you can create a card for a word you don't know with two key presses.

[1] https://foosoft.net/projects/yomichan/ [2] https://github.com/themoeway/yomitan