We must maintain friendly relations with them.

我们必须和他们保持友好关系。

youdao

I had friendly relations with Professor Wang.

我与王教授有友好的关系。

youdao

They broke off friendly relations with another country.

他们断绝了与另一国家的友好关系。

youdao

And relations -- friendly or hostile must continue between them.

VOA: special.2009.07.30

I just want to emphasize one more time, that the overwhelming normal situation is the first one I described, friendly relations.

我想再强调一遍,正如我最初所说的,两者之间大多情况下都是友好关系

耶鲁公开课 - 古希腊历史简介课程节选

The court said that holding the ship was "a source of conflict that may endanger friendly relations among states".

BBC: Ghana told to free Argentine ship Libertad by UN court

It is in a position of strength, and confident enough to have friendly relations with people once seen as enemies.

BBC: Northern Ireland

ASEAN, the group's friendly relations with the western democracies would be soured.

ECONOMIST: A good idea eventually, but not now