liěkāizuǐxiào
ㄌㄧㄝˇ ㄎㄞ ㄗㄨㄟˇ ㄒㄧㄠˋ
Simplified 咧开嘴笑
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 咧開嘴笑 and it comes back until you know it.