tiěchǐtóngyá
ㄊㄧㄝˇ ㄔˇ ㄊㄨㄥˊ ㄧㄚˊ
Simplified 铁齿铜牙
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 鐵齒銅牙 and it comes back until you know it.