biǎnpíngzú
ㄅㄧㄢˇ ㄆㄧㄥˊ ㄗㄨˊ
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
他是扁平足。
tā shì biǎnpíngzú
He has flat feet.
Keep 扁平足 and it comes back until you know it.