méngzàigǔlǐ
ㄇㄥˊ ㄗㄞˋ ㄍㄨˇ ㄌㄧˇ
Simplified 蒙在鼓里
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 蒙在鼓裡 and it comes back until you know it.