It's a waste of time
Chinese idiom, Pinyin is f ù Xi à w ǎ ngsh à ng, which means to favor colleagues or subordinates, but cheat you. It comes from the book of the Han Dynasty, Wudi Ji.
Idiom explanation
He agrees with and favors his colleagues or subordinates, but deceives you.
The origin of Idioms
According to the book of Han Dynasty, Emperor Wu Ji: "if a man is attached to a superior position, he will die; if he is attached to a superior position, he will be punished; if he hears of state affairs, he will be denounced for not benefiting the people; if he is in a superior position, he will not be able to advance to a virtuous position, so he is advised to be good and to dethrone the evil of buying property."
Idiom usage
Young teacher Wan'an, who was favored by his parents, was not tired of it, while young teacher Liu Ji, who was attached to it, ignored it. He Liangjun's "Si you Zhai Cong Shuo · Shi Wu" in Ming Dynasty
It's a waste of time
regard it as a dangerous road to take - shì wéi wèi tú
know all the moves on the board - lǎo chéng liàn dá
carry out a death sentence on the spot - jiù dì zhèng fǎ