Unity setting hearts meet force, unity out energy, unite a result, in the work cherish the chance work, conscientiously strengthen unity and cooperation.

团结凝心聚力，团结出干劲，团结出成绩，在工作中珍惜共事机缘，自觉加强团结与合作。

youdao

We must strengthen our unity in the face of powerful enemies.

大敌当前， 我们必须加强团结。

《新英汉大辞典》

This visit is aimed to strengthen sound friendship, unity and cooperative relations between the two countries.

此访旨在加强两国间良好的友谊、团结和合作关系。

youdao

So delegates gave Arthur the vice presidential nomination to strengthen party unity.

VOA: special.2010.04.22

Paradoxically, the local-election results may strengthen unity (both smaller parties were trounced, and so have no interest in an early general election).

ECONOMIST: Poland's awkward government

While the visit from Merkel -- intended to strengthen eurozone unity -- quashed any immediate fears of a '"Grexit" from the euro, many in Europe wouldn't be disappointed to see them go, according to Economides.

CNN: Euro crisis opens old wounds for Greece, Germany

It was he and leaders of the other Islamist students from the five major universities in Tehran formed an organization that they called Strengthen the Unity, which was an umbrella group designed to coordinate the actions of Islamist radical students on all the various campuses.

NPR: Iran Marks Revolution Anniversary