Painstakingly thinking
Chinese idiom, Pinyin is k ǔ sh ē NJI ā OS ī, which means to describe someone worrying about something. It's from historical records, the family of Goujian, king of Yue.
Pinyin
kǔshēnjiāosī
Simple spelling
ksjs
explain
Jiao: anxious. Describe someone who is worried about something. Bitter: hard work.
source
According to historical records, the family of Goujian, king of Yue, "Wu forgives Yue, and Goujian, king of Yue, rebelled against the state. He was painstakingly thinking about it. He had the courage to sit down. When he sat down, he had the courage to look up and eat."
Painstakingly thinking
make comments about the good or the evil of a character - yuè dàn chūn qiū
one 's behavior is different , as if he were not the same person - pàn ruò liǎng rén
occupy some place , belonging to another - què cháo jiū jū