be in league with
Tongqi, Chinese idiom, Pinyin is t ō NGT ó ngy ī y ì, meaning collusion. From a dream of Red Mansions by Cao Xueqin in Qing Dynasty.
The origin of Idioms
The 110th chapter of a dream of Red Mansions written by Cao Xueqin in Qing Dynasty: "besides, the thief killed is Zhou Rui's dry son. They must be united."
Word usage
To be in collusion with
be in league with
plunge the people into the depths of suffering - tú dú shēng líng
patch up a quarrel and reconcile the parties concerned - xī shì níng rén