Meaning of lián hé:
联合
to combine; to join; unite
Wǒmen kěyǐ liánhé wánchéng zhège xiàngmù.
我们可以联合完成这个项目。
We can combine efforts to complete this project.
Wǒmen yīnggāi liánhé suǒyǒu de lìliàng lái jiějué zhège wèntí.
我们应该联合所有的力量来解决这个问题。
We should unite all forces to solve this problem.
Tāmen juédìng yǔ qítā tuánduì bǎochí liánhé.
他们决定与其他团队保持联合。
They decided to maintain unity with other teams.
alliance
Zhè liǎng gè gōngsī juédìng jìnrù yīgè zhànlüè liánhé.
这两个公司决定进入一个战略联合。
The two companies decided to enter into a strategic alliance.