jiānkǔfèndòu
ㄐㄧㄢ ㄎㄨˇ ㄈㄣˋ ㄉㄡˋ
Simplified 艰苦奋斗
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 艱苦奮鬥 and it comes back until you know it.