A great way to remember a character is by searching for patterns across all the words that contain it. Can you find similarities?
|日新月异||6||rì xīn yuè yì||change for the better day by day, change rapidly|
|异常||6||yì cháng||extremely, exceedingly; unusual, abnormal|
|优异||6||yōu yì||excellent, outstanding, exceedingly good|