The flashcard word-relations screen is displayed with 4 word-audio pairs and their corresponding 4 word-audio pairs. The correspondence factor can be that they are synonyms or antonyms.
马丽 taps a word, audio plays and the character is highlighted.
马丽 taps an uncorrelated other word, and an audio clip explains that it’s incorrect and the highlight disappears.
马丽 taps the first word again, audio plays and it’s highlighted.
马丽 taps the correct corresponding word and they both fade and become non-interactive.