Qi Xin's perseverance means that Qi Xin will fight together.

Qi Xin's cooperation is an idiom, which means: Qi Xin cooperates; Concentric: Qi Xin. Qi Xin joined hands.

From: "Zuo Zhuan, thirteen years as a public servant": "I was arrested for offering a public servant, and I was a lover; Work together; Apply for oath; Focus on marriage. "

My predecessor, Jin Xiangong, and your predecessor, Qin Mugong, got along well, made joint efforts, made vows, and then deepened the relationship between the two countries through marriage.

Synonym:

"Work together" and "Qi Xin work together" both mean "work together in thought and work together in action", but "work together" focuses on "work together" and is used when the thoughts are very consistent; "Qi Xin Cooperation" focuses on "Qi Xin" and often uses the same idea when doing something.

It is also called "single-minded" in ancient Chinese. Qi Xin said together. Will kill, pass "thunderbolt". But this is a common word, which is no longer used today.