If you are hoping to form a new relationship tread carefully and slowly to begin with.

如果你希望建立一种新的关系，开始时就要小心缓慢行事。

《柯林斯英汉双解大词典》

Their first exchange set the tone for a new relationship.

他们初步交换意见，为建立新关系定了调子。

《新英汉大辞典》

This has forged a new relationship between buyer and seller.

这在买方和卖方之间形成了一种新的关系。

youdao

He said it was a historic event and that he is certain it will inaugurate a new era and a new relationship between the two countries.

VOA: standard.2009.04.17

But he said the downturn also provided an opportunity to forge a new relationship whereby Africa drives its own development agenda in partnership with the world community.

VOA: standard.2009.06.10

not ideology and that builds a new relationship between Afghanistan and its neighbors,"

VOA: standard.2009.11.17

The United States looks forward to a new relationship between our peoples that advances these goals.

NPR: U.S. Makes Overture to Iran on Nuclear Talks

You talked about this being the beginning of a new relationship with Congress, and Republicans in particular.

WHITEHOUSE: Press Briefing

It certainly would be premature to predict the dawning of a new relationship between Havana and Washington.

CNN: Cubans hope for spring thaw in Cold War relationship