It was only neighbourly to accept.

我不能不帮她这个忙；我接受了她的邀请。

Because of this the neighbourly relationship has suffered a little bit.

因为现在这一邻居关系受到了不好的印象。

We, therefore, need a long-term peaceful international environment and a long-term good-neighbourly environment in particular.

我们需要长期的和平国际环境，尤其是长期的睦邻友好环境。

China has consistently stressed friendly, good-neighbourly relations with adjacent countries and has actively promoted measures to establish bilateral trust.

中国一贯重视同周边国家的睦邻友好关系，积极推动建立双边信任措施。